-3a(a^2-10a+25)= expand it and it has to be in polynomial form

Question

asked May 11, 2021 210k views

2 Answers

Crazypeter · Answer 1 · 2021-05-18T08:07:06+0000

Answer:

Explanation:

$- 3a( {a}^(2) - 10a + 25)$

Multiply each term in the parentheses by -3a

$= - 3a * {a}^(2) - 3a * ( - 10a) - 3a * 25$

Calculate the product

$= - 3 {a}^(3) - 3a * ( - 10a) - 3a * 25$

Multiplying two negatives equals a positive
$( - ) * ( - ) \ = ( + )$

$= - 3 {a}^(3) + 3a * 10a - 3a * 25$

Calculate the product

$= - 3 {a}^(2) + 30 {a}^(2) - 75a$

Hope this helps...

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