How do you simplify (x+h)2+4(x+h)7x24x+7h?

1 Answer
Jan 13, 2018

x2+2hx+h2+28x3+28hx24x+7

Explanation:

(x+h)2+4(x+h)7x24x+7h

=(x+h)(x+h)+(4x+4h)7x24x+7h

=x2+hx+hx+h2+28x3+28hx24x+7

=x2+2hx+h2+28x3+28hx24x+7

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