Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2)
2 answers:
Answer:
I agree with Lisboa The answer is C
Step-by-step explanation:
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
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