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
german
4 years ago
11

Simplify (2x + 3)(x – 4) = ?

Mathematics
1 answer:
svlad2 [7]4 years ago
7 0
<span>Solutions

1) Equation
</span>⇒ <span><span>(<span><span>2x</span>+3</span>)</span><span>(<span>x−4</span>)

</span></span>⇒<span><span>(<span><span>2x</span>+3</span>)</span><span>(<span>x+<span>−4</span></span>)
</span></span>⇒<span>(2x)(x)+(2x)(−4)+(3)(x)</span>+<span>(3)(−4)
</span>⇒2 x^{2} <span><span><span>−<span>8x</span></span>+<span>3x</span></span>−12
</span>⇒2 x^{2} <span><span>−<span>5x</span></span>−<span>12

Answer - </span></span>2 x^{2} <span>−5x−12</span><span>

</span>
You might be interested in
Macy’s is having a sale in which all jeans at $30. The sales tax is 8%. If John buys n pairs of jeans during this sale, the tota
Amiraneli [1.4K]

This expression is correct. It shows the price John pays for the jeans on the left side of the + symbol (30n), and the amount of tax he has to pay on the right side of the symbol (0.08(30n)).

Hope this helps!

3 0
3 years ago
Seven times a number is equal to 9 more than 4 times the number. find the number
Yanka [14]
Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3

the number is 3
5 0
3 years ago
Write a problem in which $180 would be a reasonable answer​
ad-work [718]

Answer: Word problem: Mya goes to a carnival and buys food for her and her friends.  She buys 5 funnel cakes that were $20 each. She buys 10 buckets of popcorn that were 8 dollars each.

Regular problem: $20+$15+$20+$100+$25=180

Step-by-step explanation: I didn't know what you needed. I'm sorry if that's not it, but hope it helps.

7 0
3 years ago
PLEASE HELP <br> suppose
charle [14.2K]

Answer:

steps below

Step-by-step explanation:

3 = 2/3 m

m = 9/2

by the matrix property of associative: (A+B)+C = A+(B+C)

H = [-2  8  -1]

m x H = 9/2 x [-2  8  1] = [-9  36  -9/2]

4 0
3 years ago
What is 1500000000000 in scientific notation
omeli [17]
1500000000000 in scientific notation is 
1.5 * 10^12
That is because you move the decimal point 12 places to the left for it to become 1.5.
1.5 * 10^12
move the decimal point 12 places to the right and you got the original number, 1500000000000.

Hope this helps!
5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the slope of the line which passes through (2,5) and (3, 6)?
    15·1 answer
  • Solve for xxx.
    8·1 answer
  • What is the difference from the point (-6,2) to the point (2,17)?
    6·1 answer
  • Evaluate<br> (-5)3<br> Mathematics
    13·1 answer
  • Name the minor arc and find its measure.
    9·1 answer
  • Roger has two dogs which are named Sparky and Cookie. The relationship of Sparky’s age, s, and Cookie’s age, c, can be represent
    14·1 answer
  • Help please!! I’m so behind on my math
    7·2 answers
  • When a flash of lightning occurs, the number of seconds elapsed until thunder is heard can be used to approximate the distance f
    5·2 answers
  • Find the side length of the triangle.
    15·2 answers
  • Plss help ASAP plss GIVING BRAILIEST​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!