Question

what should be subtracted from 2x^2-5y^2+7z^2 to get x^2-y^2+z^2 ?​

Answer 1

Answer:

-(2x^2 - 5y^2 + 7z^2) + ( x^2 - y^2 +z^2) = 0

- x ^2 +. 4y^2 - 6 z^2 Ans

Answer 2

Answer:

hope this helps

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