Simplify (8x^2 − 1 + 2x^3) − (7x^3 − 3x^2 + 1).A.−5x^3 + 11x^2 − 2B.5x^3 − 11x^2 + 2C.x^3 + 2x^2 + x^3D.x^3 − 2x^2 − x^3

Mathematics · High School · Mon Jan 18 2021

Answered on

Given the equation:

 (8x^2 − 1 + 2x^3) − (7x^3 − 3x^2 + 1)

Simplify.

Solution:

In order to simplify the equation, we simply needed to combine similar terms.

=  (8x^2 − 1 + 2x^3) − (7x^3 − 3x^2 + 1)

=  8x^2 − 1 + 2x^3 − 7x^3 + 3x^2 - 1

=  5x^3 - 11x^2 - 2

Final answer:
=  5x^3 - 11x^2 - 2