Question

−6x 2 −2x+5 from 2x^2+82x 2 +8.

Answer 1

Answer:

=90$x^{2}$+2x+3

Step-by-step explanation:

Let's simplify step-by-step.

2$x^{2}$ + 82$x^{2}$ + 8 − ( −6$x^{2}$ − 2x + 5 )

Distribute the Negative Sign:

= 2$x^{2}$ + 82$x^{2}$ + 8 + − 1 ( − 6$x^{2}$ − 2x + 5 )

= 2$x^{2}$ + 82$x^{2}$ + 8 + − 1( − 6$x^{2}$ ) + − 1 ( −2x ) + ( − 1 ) ( 5 )

= 2$x^{2}$ + 82$x^{2}$ + 8 + 6$x^{2}$ + 2x + − 5

Combine Like Terms:

= 2$x^{2}$ + 82$x^{2}$ + 8 + 6$x^{2}$ + 2x + −5

= ( 2$x^{2}$ + 82$x^{2}$ + 6$x^{2}$ ) + ( 2x ) + ( 8 + − 5 )

= 90$x^{2}$ + 2x + 3

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