a. 30x4 − 20x3 + 15x2b. −11x4 − x3 − 8x2c. −30x4 + 20x3 − 15x2d. 30x4 + 20x3 + 15x2pls and thankyou c:. Created by Anonymous. science-mathematics-en - mathematics-en

[7.06] Choose the correct simplification of the expression −5x2(4x − 6x2 − 3).?

May 2021 3 378 Report

[7.06] Choose the correct simplification of the expression −5x2(4x − 6x2 − 3).?

a. 30x4 − 20x3 + 15x2

b. −11x4 − x3 − 8x2

c. −30x4 + 20x3 − 15x2

d. 30x4 + 20x3 + 15x2

pls and thankyou c:

The answers is A: a. 30x4 − 20x3 + 15x2

You and the user Citra obviously have the same assignment.

â 5x2 ( 4x â 6x2 â 3 )

5x2 ( 6x2 â 4x + 3 )

30x4 â 20x3 + 15x2

My Answer :

a. 30x4 â 20x3 + 15x2

-10x^2(-6x^2+4x-3)

Distribute the -10x^2 into the parenthesis.

-10x^2 x -6x^2 = 60x^4

-10x^2 x 4x = -40x^3

-10x^2 x -3 = 30x^2

Combine all three into one epression, and divide thru by 2 to simplify.

(60x^4 - 40x^3 + 30x^2)/2 = 30x^4 - 20x^3 + 15x^2 <--- Your Answer!