Factorise a²+ab+7a+7b
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Answered by
0
Answer:
a(a+b) + 7(a+b)
= (a+7)(a+b)
Answered by
2
Answer:
a^2+ab+7a+7b
=a^2+7a+ab+7b
=a(a+7)+b(a+7)
=(a+7)(a+b)
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