Question

Evaluate (2x+1)(x+1)(2x-1)

Answer 1

(2x +1)(2x-1)(x+1)

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

4x^3 + 4x^2 -x - 1

this would be the answer

i used (a +b)(a-b) = a^2 -b^2

hope it helps

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