Question

2x²+3y ²-10x²+5 y²
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Answer 1

Answer:

8(y²-x²)

Step-by-step explanation:

2x²+3y²-10x²+5y²

=8y²-8x²

=8(y²-x²)

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Answer 2

Answer:

x=y

Step-by-step explanation:

-8x^2+8y^2=0

8(-x^2+y^2)=0

-x^2+y^2=0

x=y