Wli5130 Wli5130

01-04-2017
Mathematics

contestada

What is the sum of -3x^2-7x+9 and -5x^2+6x-4

Respuesta :

01-04-2017

-8x^2 -x+5
Combine like terms

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01-04-2017

(-3x²-7x+9) + (-5x²+6x-4)

= -3x²-5x²-7x+6x+9-4
= -8x²-x+5

Answer Link

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