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Simplify fully: (2x+3)^2 - (2x-3)^2

Simplify fully: (2x+3)^2 - (2x-3)^2
asked 134k views
3 votes
Simplify fully: (2x+3)^2 - (2x-3)^2

asked
User Donentolon
by
7.9k points

1 Answer

2 votes
(2x+3)^2 - (2x-3)^2=(2x+3)*(2x+3)-(2x-3)*(2x-3)=(4x^2+12x+9)-(4x^2-12x+9)=4x^2+12x+9-4x^2+12x-9=24x
So the answer is 24x
answered
User Paul Ryan
by
9.1k points
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