Algebra Examples

$(- 2 x^{4} + 7 x^{2} y - 7) + (- 9 x^{3} + 7 x y + 7)$

Step 1

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Step 2

Combine the opposite terms in $- 2 x^{4} + 7 x^{2} y - 7 - 9 x^{3} + 7 x y + 7$ .

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Step 2.1

Add $- 7$ and $7$ .

$- 2 x^{4} + 7 x^{2} y - 9 x^{3} + 7 x y + 0$

Step 2.2

Add $- 2 x^{4} + 7 x^{2} y - 9 x^{3} + 7 x y$ and $0$ .

$- 2 x^{4} + 7 x^{2} y - 9 x^{3} + 7 x y$