Question

find the product of the following
1. ) (x + 5) (x + 7)
2)(b+2)(b+9)​

Answer 1

Answer:

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Answer 2

Answer:

1.)x (×+7)+5 (x+7)

x^2+7x+5x+35

=x^2+12x+35

2.)b (b+9)+2 (b+9)

b^2+9b+2b+18

b^2+11b+18

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