simplify 2(x+h)^2 -1 - (2x^2 - 1)

simplify 2(x+h)^2 -1 - (2x^2 - 1)
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1 Answer

2(x+h)^2 - 1 - (2x^2 - 1)

FOIL (x + h)^2

x^2 + 2xh + h^2

distribute the 2

=2x^2 + 4xh + 2h^2 -1 -2x^2 + 1

combine like terms

4xh + 2h^2
by Level 5 User (11.9k points)

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