1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
worty [1.4K]
3 years ago
15

The expression. 3(5^2 +2x+4)-4(4x^2 +2x+3) equals?

Mathematics
1 answer:
crimeas [40]3 years ago
8 0

Answer:

- x^2 - 2x

Step-by-step explanation:

3 ( 5x^2 + 4 + 2x) - 16x^2 -8x -12

15 x^2 + 12 + 6x - 16x^2 - 8x - 12

-x^2 - 2x

You might be interested in
Plz help me w this !!
larisa [96]

Answer:

sum of angles in atriangle=180°

Step-by-step explanation:

w-45°+w-37°+w+19°=180°(sum of angles in a triangle)

3w=180°+45°+37°-19°

3w=243°

w=81°

7 0
3 years ago
8 divde by 1/6 equals 48 because<br><br>​
nika2105 [10]

Proof:

8\div\frac{1}{6}=\frac{8}{1}\div \frac{1}{6}=\frac{8}{1}\times\frac{6}{1}=\frac{8\times6}{1}=\frac{48}{1}=48 \\

6 0
3 years ago
Find the area of the rectangleABCD
I am Lyosha [343]

Step-by-step explanation:

take the length of side ab and multiply it by side cd

8 0
3 years ago
7p-(3p+4) = -2(2p-1)+10<br> Please answer!!!!!!!
Zanzabum
P=2
Work:
<span><span><span>7p</span>−<span>(<span><span>3p</span>+4</span>)</span></span>=<span><span>−<span>2<span>(<span><span>2p</span>−1</span>)</span></span></span>+10</span></span><span><span><span>7p</span>−<span>(<span><span>3p</span>+4</span>)</span></span>=<span><span>−<span>2<span>(<span><span>2p</span>−1</span>)</span></span></span>+10</span></span><span><span><span>7p</span>+<span><span>−1</span><span>(<span><span>3p</span>+4</span>)</span></span></span>=<span><span>−<span>2<span>(<span><span>2p</span>−1</span>)</span></span></span>+10</span></span><span><span><span><span>7p</span>+<span><span>−1</span><span>(<span>3p</span>)</span></span></span>+<span><span>(<span>−1</span>)</span><span>(4)</span></span></span>=<span><span>−<span>2<span>(<span><span>2p</span>−1</span>)</span></span></span>+10</span></span><span><span><span><span><span><span>7p</span>+</span>−<span>3p</span></span>+</span>−4</span>=<span><span>−<span>2<span>(<span><span>2p</span>−1</span>)</span></span></span>+10</span></span><span><span><span><span><span><span>7p</span>+</span>−<span>3p</span></span>+</span>−4</span>=<span><span><span><span>(<span>−2</span>)</span><span>(<span>2p</span>)</span></span>+<span><span>(<span>−2</span>)</span><span>(<span>−1</span>)</span></span></span>+10</span></span><span><span><span><span><span><span>7p</span>+</span>−<span>3p</span></span>+</span>−4</span>=<span><span><span>−<span>4p</span></span>+2</span>+10</span></span><span><span><span>(<span><span>7p</span>+<span>−<span>3p</span></span></span>)</span>+<span>(<span>−4</span>)</span></span>=<span><span>(<span>−<span>4p</span></span>)</span>+<span>(<span>2+10</span>)</span></span></span><span><span><span>4p</span>+<span>−4</span></span>=<span><span>−<span>4p</span></span>+12</span></span><span><span><span>4p</span>−4</span>=<span><span>−<span>4p</span></span>+12</span></span><span><span><span><span>4p</span>−4</span>+<span>4p</span></span>=<span><span><span>−<span>4p</span></span>+12</span>+<span>4p</span></span></span><span><span><span>8p</span>−4</span>=12</span><span><span><span><span>8p</span>−4</span>+4</span>=<span>12+4</span></span><span><span>8p</span>=16</span><span><span><span><span><span>8p</span>8</span></span>‌</span>=<span><span>‌<span>168</span></span>‌</span></span><span>p=<span>2

Hope this helps:)</span></span>
8 0
3 years ago
Read 2 more answers
If 12 less than 4 times a number is 8, the number is 5. Write a different sentance where the unknown number is also 5.
anastassius [24]
Two times a number minus 4 is six. (2*5-4=6)
7 0
3 years ago
Read 2 more answers
Other questions:
  • help plz i need help i have asked but no one will help plz im begging do as many as u can show work or explain it s worth so man
    9·2 answers
  • Select the story problem that this division problem represents 2/3/1/6
    15·1 answer
  • Priya has a recipe for banana bread she uses 7 1/2
    12·2 answers
  • I want to wrap an oatmeal container. It is round with two round bases. How much paper would I need to
    13·1 answer
  • Please help mee<br><br> 3f + 4(2f - 5)
    7·1 answer
  • Which statements are correct? Check all that apply.
    8·2 answers
  • Carina plants a garden that has a length of x-1 feet and a width of -3x-1 feet. she wants to add planting soil to the garden. wh
    6·1 answer
  • A train traveled 300 miles in 5 hours. find its rate of speed in miles per hour.
    11·1 answer
  • Determine the equation for the line that has a slope of -2 and a y intercept of 5
    10·1 answer
  • Which of the following represents a function
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!