Factorise a squared - a -20

Fhchl asked Feb 22, 2023

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21 votes

Fhchl asked Feb 22, 2023

by Fhchl

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13 votes

Answer:

(a-5)(a+4)

Explanation:

a^(2) -a-20

a^(2) +4a-5a-20

a(a+4) -5(a+4)

(a-5)(a+4)

Flson answered Feb 28, 2023

by Flson

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