Question

If 3x +2y = 12 and xy = 6, find the value of 9x square 2 + 4y square 2 ?​

Answer 1

3x+2y=12

So,x=2

y=3.

So,xy=2×3=6

The value of 9x square=9×2=18square 324.

4y square = 4×3 square= 144

Therefore 324+144=468

Finally the answer is 468.

HOPE IT'S HELPFUL.....