Question

Question # 11 The factorization of 28a6-42 ab 5,3 is

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Answer 1

Answer:

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Answer 2

Answer:

(a+b)^2 −11(a+b)−42

Let (a+b)=x, then we have

=x^2 −11x−42

=x^2 −14x+3x−42...[∵−42=−14×3and−11=−14+3]

=x(x−14)+3(x−14)

=(x−14)(x+3)

Substituting the value of x we get,

=(a+b−14)(a+b+3)