Question

what is the factorization of a²+ab-ac-bc .​

Answer 1

a(a+b)-c(a+b)

(a+b)(a-c)

Answer 2

let us rearrange the terms and take a and c as a the common factor

we get

= a

2

+ bc + ab + ac = a

2

+ ab + bc + ac

⇒a(a+b)+c(a+b)=(a+b)(a+c)

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