X= 2 and y=-2 check by multiplying
Sometimes system outputs are limited because the amount of the necessary information that is perceived in the system .
Answer C : 3x^2+7xy-2y^2
equivalent to the following expression


Combine like terms

2x^2 + x^2 is 3x^2
4xy+3xy is 7xy
-y^2-y^2 is -2y^2
So expression becomes

Answer C is correct
Answer:
0.375
Step-by-step explanation:
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