What is (4x-2x^3)+(5x^3-4x+5) ?

The solution to (4x-2x^3)+(5x^3-4x+5) is 3x^3+5

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simplify (4x-2x^3)+(5x^3-4x+5)

simplify

(4 x - 2 x^{3}) + (5 x^{3} - 4 x + 5)

3 x^{3} + 5

Solution steps

(4 x - 2 x^{3}) + (5 x^{3} - 4 x + 5)

Simplify

(4 x - 2 x^{3}) + (5 x^{3} - 4 x + 5) : 4 x - 2 x^{3} + 5 x^{3} - 4 x + 5

= 4 x - 2 x^{3} + 5 x^{3} - 4 x + 5

Add similar elements:

- 2 x^{3} + 5 x^{3} = 3 x^{3}

= 4 x + 3 x^{3} - 4 x + 5

Group like terms

= 3 x^{3} + 4 x - 4 x + 5

Add similar elements:

4 x - 4 x = 0

= 3 x^{3} + 5

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(5 x y)^{2} (2 x^{2} y)