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26-02-2020
Mathematics

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Find the sum of -3x^2 - 7x + 9 and -5x^2 + 6x - 4 , please answer this!

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chanie3272 chanie3272

26-02-2020

Answer:

-8x^2-x+5

Step-by-step explanation:

sum equals add

(-3x^2-7x+9)+(-5x^2+6x-4)

add like terms

-3x^2+(-5x^2)= -8x^2

-7x+6x= -x

9+(-4)= 5

there

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