21-07-2016
Mathematics

contestada

Combine like terms (-3y2 - 7y -9) - (4y2 + 6y + 9)

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jadeishere jadeishere

21-07-2016

When combining like terms, find terms that have the same variable, same exponent or no variables and no exponents (coefficients).

So
-3y^2 and 4y^2
-7y and 6y
-9 and 9

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