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31 votes
31 votes
A 2 - 9a + 20

it needs to be factored
it is also my birthday i tried to put one up but some one took it down because it wasnt about the subject so here is a question.

User Rickul
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2.8k points

1 Answer

15 votes
15 votes

Answer.

Use the sum-product pattern. (a*2 − 9 + 20)

(a*2 −4a-5a + 20)

Common factor from the two pairs. (a*2 − 4a − 5a + 20)

( a − 4 ) − 5 ( a − 4 )

Rewrite in factored form. a( a − 4 ) − 5 ( a − 4 )

( a − 5 ) ( a − 4 )

User Akilah
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