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07-01-2019
Mathematics

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What’s the sum of -4x^2 - x + 9 and x^2 + 10x - 10?

Whats the sum of 4x2 x 9 and x2 10x 10 class=

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07-01-2019

Answer:

-3x^2+9x-1

Step-by-step explanation:

Combining like terms:

-4x^2-x+9+x^2+10x-10=-3x^2+9x-1

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