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05-11-2019
Mathematics

contestada

Find the difference.
(-9y2 + 8y - 3)-(-7y2-y)

Respuesta :

SvetkaChem SvetkaChem

05-11-2019

Answer:

-2y² + 9y - 3

Step-by-step explanation:

(-9y² + 8y - 3) - (-7y² - y) = -9y² + 8y - 3 + 7y² + y = -2y² + 9y - 3

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ebunnext2u ebunnext2u

05-11-2019

Answer:-2y2+9y-3

Step-by-step explanation:

Group like terms

-9y2+7y2+8y+y-3

Factorize and group like terms

y2(-9+7)+y(8+1)-3

-2y2+9y-3

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