144k views
3 votes
Please help me

subtract
(5x^2+7)-(3x-2)

a.5x^2-3x+9

b.5x^2-3x+5

c.2x^2+5

d.2x^2+9

User Mystique
by
4.4k points

2 Answers

1 vote

Answer:

A

Explanation:

A p e x

User Palanivelu Samudi
by
5.1k points
3 votes

Answer:

The correct answer is a.

Explanation:

To solve this expression, we first multiply the negative sign into the expression and we get :


5x^(2) +7-3x+2

we only need to add the coefficients of constants then


5x^(2) -3x+(7+2)


5x^(2) -3x+9 and we get the correct answer!


User Harish Raj
by
4.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.