Answer:
This simplifies to 7x^2 - x.
Explanation:
(x + 1)3 − x (x − 2)2 − 1
= x^3 + 3x^2 + 3x + 1 - x(x^2 - 4x + 4) - 1
= x^3 + 3x^2 + 3x + 1 - x^3 + 4x^2 -4x - 1
= 7x^2 - x
x = -0.27 or 3.77
explanation in pic
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