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

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asked Mar 11, 2017 3.0k views

1 Answer

Nicasio · Answer 1 · 2017-03-18T02:28:19+0000

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

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

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