What is (-4x^3+6x^2-8x+1)+(2x^2+7x-7) ?

The solution to (-4x^3+6x^2-8x+1)+(2x^2+7x-7) is -4x^3+8x^2-x-6

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simplify (-4x^3+6x^2-8x+1)+(2x^2+7x-7)

simplify

(- 4 x^{3} + 6 x^{2} - 8 x + 1) + (2 x^{2} + 7 x - 7)

- 4 x^{3} + 8 x^{2} - x - 6

Solution steps

(- 4 x^{3} + 6 x^{2} - 8 x + 1) + (2 x^{2} + 7 x - 7)

Simplify

(- 4 x^{3} + 6 x^{2} - 8 x + 1) + (2 x^{2} + 7 x - 7) : - 4 x^{3} + 6 x^{2} - 8 x + 1 + 2 x^{2} + 7 x - 7

= - 4 x^{3} + 6 x^{2} - 8 x + 1 + 2 x^{2} + 7 x - 7

Group like terms

= - 4 x^{3} + 6 x^{2} + 2 x^{2} - 8 x + 7 x + 1 - 7

Add similar elements:

6 x^{2} + 2 x^{2} = 8 x^{2}

= - 4 x^{3} + 8 x^{2} - 8 x + 7 x + 1 - 7

Add similar elements:

- 8 x + 7 x = - x

= - 4 x^{3} + 8 x^{2} - x + 1 - 7

Subtract the numbers:

1 - 7 = - 6

= - 4 x^{3} + 8 x^{2} - x - 6

(x^{- 3}) (3 x^{- 2})^{- 1}

- 3 x - 3 x

\frac{28}{21}

15 \times 2

What is (-4x^3+6x^2-8x+1)+(2x^2+7x-7) ?
The solution to (-4x^3+6x^2-8x+1)+(2x^2+7x-7) is -4x^3+8x^2-x-6