factorise the the following -: a(5a+6b)-b(5a+6b
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Answer:
5a2 - ab -6b2
Step-by-step explanation:
a*5a + 6b *a - b* 5a + 6b *b
5a2 +6ab -5ab -6b2
= 5a2 -ab -6b2
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