How do you simplify (-2y^2-4y+7) - (2y^2+4y-7)?

1 Answer
Alan P.
Jun 27, 2015

(-2y^2-4y+7)-(2y^2+4y-7)
color(white)("XXXX")=-4y^2-8y+14

Explanation:

(-2y^2-4y+7)-(2y^2+4y-7)

color(white)("XXXX")=(-2y^2-4y+7)+(-2y^2-4y+7)

color(white)("XXXX")=2(-2y^2-4y+7)

color(white)("XXXX")= -4y^2-8y+14

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