Math, asked by chocolateo7, 9 months ago

If 2x –7y = 10 and xy = -7, find the value of 4x² + 49 y².

Answers

Answered by Imblank

0

Answer:

4x²+49y²

(2x)²+(7y)²

(2x-7y)²+2.2x.7y

(2x-7y)²+28xy

(10)²+28×-7

100-196

-96

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