Question

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Which equations are correct?

Select each correct answer.

Answer 1

First and third is correct

Answer 2

The correct answer are the second and the fourth.

Explanation:

The correct equations could be founded by using the distributive property. When we have multiplying exponents this are added.

`-3y^(4) (5y^(2) +2)=-15y^(6) -6y^(4)` Incorrect

`-5d^(3) (3d^(2) +4)=-15d^(5) -20d^(3)` Correct

`-7x^(2) (4x^(3) +2)=-28x^(5) -14x^(2)` Incorrect

`-2b^(3) (6b^(2) +5)=-12b^(5) -10b^(3)` Correct

The correct answer are the second and the fourth.