Question

Factorize
7y^2+49y+84

Answer 1

Step-by-step explanation:

The given expression 7y

2

+49y+84 can be factorised as follows:

7y

2

+49y+84=7(y

2

+7y+12)=7(y

2

+4y+3y+12)=7[y(y+4)+3(y+4)]=7(y+3)(y+4)

Hence, 7y

2

+49y+84=7(y+3)(y+4)

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