What is (-4x+4x^3+7)+(3x^3-9-3x) ?

The solution to (-4x+4x^3+7)+(3x^3-9-3x) is 7x^3-7x-2

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simplify (-4x+4x^3+7)+(3x^3-9-3x)

simplify

(- 4 x + 4 x^{3} + 7) + (3 x^{3} - 9 - 3 x)

7 x^{3} - 7 x - 2

Solution steps

(- 4 x + 4 x^{3} + 7) + (3 x^{3} - 9 - 3 x)

Simplify

(- 4 x + 4 x^{3} + 7) + (3 x^{3} - 9 - 3 x) : - 4 x + 4 x^{3} + 7 + 3 x^{3} - 9 - 3 x

= - 4 x + 4 x^{3} + 7 + 3 x^{3} - 9 - 3 x

Group like terms

= 4 x^{3} + 3 x^{3} - 4 x - 3 x + 7 - 9

Add similar elements:

4 x^{3} + 3 x^{3} = 7 x^{3}

= 7 x^{3} - 4 x - 3 x + 7 - 9

Add similar elements:

- 4 x - 3 x = - 7 x

= 7 x^{3} - 7 x + 7 - 9

Subtract the numbers:

7 - 9 = - 2

= 7 x^{3} - 7 x - 2

1 0^{2} + 8^{2}

\frac{3 3}{2}

(x - 4)^{2} + (y - 3)^{2}

- 2 c^{4} - 2 c^{3} + 2 c^{2} + 2 c

(4 - 3 a)^{3}

What is (-4x+4x^3+7)+(3x^3-9-3x) ?
The solution to (-4x+4x^3+7)+(3x^3-9-3x) is 7x^3-7x-2