Question

Find the product

–5r3(2r2 – 3r – 5)


A) –10r5 – 15r4 – 25r3

B) –10r5 + 15r4 + 25r3

C) 10r5 – 15r4 – 25r3

D) –10r6 + 15r3 + 25r3

Answer 1

B) –10r5 + 15r4 + 25r3

Explanation:

–5r3(2r2 – 3r – 5)

apply distributive property:

–5r3*(2r2) –5r3*( – 3r) –5r3*(– 5)

–10r5 + 15r4 + 25r3