Question

can someone help in this?

If 4x^2=25(y^2+2), then 50/(2x-5y) =?

Answer 1

4x^2=25(y^2+2)
4x^2-25y^2-50 = 0
But 4x^2-25y^2 = (2x-5y)(2x+5y)
(2x-5y)(2x+5y) = 50 => 50/(2x-5y) = (2x+5y)

Answer 2

good explanation giorgia ver gud

Answer 3

thanks!!

Answer 4

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Answer 5

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Answer 6

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Answer 7

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