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
enyata [817]
3 years ago
8

3x2 + 5x - 7(x2 + 4)

Mathematics
2 answers:
goldenfox [79]3 years ago
5 0

Answer:

-4x^2+5x-28

Step-by-step explanation:

Expand -7(x^2 +4) = 3x^2+5x-7x^2-28

Simplify 3x^2+5x-7x^2-28 = -4x^2+5x-28

Lelechka [254]3 years ago
3 0

Answer: -4x² + 5x - 28

Step-by-step explanation:

<u>Given expression</u>

3x² + 5x - 7 (x² + 4)

<u>Expand parentheses and apply the distributive property</u>

=3x² + 5x - 7x² - 28

<u>Combine like terms</u>

=(3x² - 7x²) + 5x - 28

=\boxed{-4x^2+5x-28}

Hope this helps!! :)

Please let me know if you have any questions

You might be interested in
HELPPPP<br><br> If y=4, 3y+6=7(2y-3)
Step2247 [10]

Answer:

i think your question is missing something??

Step-by-step explanation:

3(4) + 6 = 7 (2(4)-3)

12 + 6 = 7 (8-3)

18 = 7 (5)

18 = 35?

8 0
3 years ago
A pair of angles which share a common side and vertex is called
zheka24 [161]

Answer: Adjacent Angles

3 0
3 years ago
Nicole sold 2 times more t-shirts than
Pachacha [2.7K]

Answer:

54

Step-by-step explanation:

8 0
3 years ago
Which simplified fraction represents 0.45
inysia [295]
0.45 = 45/100
45/100 = 9/20 (Simplified)
8 0
3 years ago
Read 2 more answers
What is the degree of the <br> monomial 3x^10
vaieri [72.5K]
That is a tenth degree equation.
The degree of an equation is the highest power it contains.

6 0
3 years ago
Read 2 more answers
Other questions:
  • A rectangle is 4 cm longer than it is wide, and its area is 117 cm2 . find its dimensions.
    14·2 answers
  • C(4,-1),D(4,-5),E(2,-3)
    13·1 answer
  • The product of a number and -5 is -115. What is the number?
    8·1 answer
  • Problem 4. Prove that log, 11 is irrational (15 pts) Answer:
    14·1 answer
  • Use the given information to find amount A in the account earning compound interest after six years when the principal is 3,500
    7·1 answer
  • Help ASAP please also explain how you got the answer
    14·1 answer
  • Question options:<br><br> A.)7 <br>B.)503 <br>C.)6 <br>D.)5
    6·2 answers
  • Find the measure of each angle indicated
    6·1 answer
  • Two numbers x and y, have a sum of 23 and a difference of 7. x is greater than y
    15·2 answers
  • Need help on these trig homework
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!