What is (9x^4-3x^3+4x^2+5x+7)+(11x^4-4x^2-11x-9) ?

The solution to (9x^4-3x^3+4x^2+5x+7)+(11x^4-4x^2-11x-9) is 20x^4-3x^3-6x-2

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simplify (9x^4-3x^3+4x^2+5x+7)+(11x^4-4x^2-11x-9)

simplify

(9 x^{4} - 3 x^{3} + 4 x^{2} + 5 x + 7) + (11 x^{4} - 4 x^{2} - 11 x - 9)

20 x^{4} - 3 x^{3} - 6 x - 2

Solution steps

(9 x^{4} - 3 x^{3} + 4 x^{2} + 5 x + 7) + (11 x^{4} - 4 x^{2} - 11 x - 9)

Simplify

(9 x^{4} - 3 x^{3} + 4 x^{2} + 5 x + 7) + (11 x^{4} - 4 x^{2} - 11 x - 9) : 9 x^{4} - 3 x^{3} + 4 x^{2} + 5 x + 7 + 11 x^{4} - 4 x^{2} - 11 x - 9

= 9 x^{4} - 3 x^{3} + 4 x^{2} + 5 x + 7 + 11 x^{4} - 4 x^{2} - 11 x - 9

Group like terms

= 9 x^{4} + 11 x^{4} - 3 x^{3} + 4 x^{2} - 4 x^{2} + 5 x - 11 x + 7 - 9

Add similar elements:

9 x^{4} + 11 x^{4} = 20 x^{4}

= 20 x^{4} - 3 x^{3} + 4 x^{2} - 4 x^{2} + 5 x - 11 x + 7 - 9

Add similar elements:

4 x^{2} - 4 x^{2} = 0

= 20 x^{4} - 3 x^{3} + 5 x - 11 x + 7 - 9

Add similar elements:

5 x - 11 x = - 6 x

= 20 x^{4} - 3 x^{3} - 6 x + 7 - 9

Subtract the numbers:

7 - 9 = - 2

= 20 x^{4} - 3 x^{3} - 6 x - 2

10 0^{\frac{1}{4}}

\frac{210}{180}

(6 x + 7)^{2}

- 4 \times 3

\frac{1}{1 - 1}

What is (9x^4-3x^3+4x^2+5x+7)+(11x^4-4x^2-11x-9) ?
The solution to (9x^4-3x^3+4x^2+5x+7)+(11x^4-4x^2-11x-9) is 20x^4-3x^3-6x-2