# algebra

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5x^4+3x^2-2x
-5x^4-3x^2+9x
_______________
0x^4+x^2+7x

is this right?

• algebra -

Are you adding these two equations?
If so,

5x^4 + 3x^2 - 2x
-5x^4 - 3x^2 + 9x
-------------------
0 + 0 + 7x

• algebra -

no im subtracting

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