a(a+c)-b(b+c) factorisation please
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Answer:
(a-b)[(a+b)-c]
Step-by-step explanation:
a^2+ac-b^2-bc
a^2-b^2+ac-bc
a^2-b^2= (a+b)(a-b)
(a+b)(a-b)+c(a+b)
ANSWER : (a-b)[(a+b)-c]
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