Question

Find the product of (x+2/7x^2) and (7x-2x^2) and evaluate the value of product for x = -1​

Answer 1

Answer:

(x+2/7x²)(7x-2x²)

7x(x+2/7x²)-2x²(x+2/7x²)

x+2/x -2x-4/7

1+ 2/x -2x/7 -4/7

1+ 2/-1 -2(-1)/7 -4/7

1-2 +2/7 -4/7

-1 -2/7

-7-2/7

-9/7

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