Math, asked by sonalikamaheswale, 7 hours ago

Find the value of 4x²

- 9y² if 2x+ 3y = 18 and xy = 5

Answers

Answered by sudhakarkancherla197

0

Step-by-step explanation:

2x+3y=18

take square on both sides

(2x+3y)^2=18^2

4x^2+9x^2+2.2x.3y =324

(4x^9y^2)+12×5=324

(4x^9y^2) =324-60=264

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