Nicco245
Nicco245
07-02-2021
Mathematics
contestada
I need help on this homework
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DWRead
DWRead
07-02-2021
(-9x²-2x) - (-9x²-3x) = (-9x²-2x) +(9x²+3x) = -9x²-2x+9x²+3x = (-9x²+9x²)+(-2x+3x) = x
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