Factorize: 10a2 + 35a + 6ab + 21b
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Answer:2a^3+10a^2-28a
take 2a as common
(2a)(a^2+5a-14)
middle term split of second factor
a^2+7a-2a-14
a(a+7)-2(a+7)
(a-2)(a+7)
so three factors are 2a,a-2,a+7
Step-by-step explanation:
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