GoldPI0
GoldPI0
14-01-2021
Mathematics
contestada
(-9x^2 - 2x) - (-9x^2 - 3x)
Respuesta :
christy4166
christy4166
14-01-2021
Step-by-step explanation:
-9x^2-2x+9x^2+3x
-9x^2+9x^2-2x+3x
-2x+3x
=x
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