Simplify this

Question

0

445

1

(X-1)(2xto the third+2xsquared+2)

Guest Jul 10, 2014

+118723

+5

Best Answer

$$(x-1)(2x^3+2x^2+2)\\\\
=x(2x^3+2x^2+2)-1(2x^3+2x^2+2)\\\\
=2x^4+2x^3+2x-2x^3-2x^2-2\\\\
=2x^4-2x^2+2x-2$$

Melody Jul 12, 2014

Melody · Answer 1 · 2014-07-12T11:05:25

$$(x-1)(2x^3+2x^2+2)\\\\
=x(2x^3+2x^2+2)-1(2x^3+2x^2+2)\\\\
=2x^4+2x^3+2x-2x^3-2x^2-2\\\\
=2x^4-2x^2+2x-2$$

.