Question

if 3 x minus 4 Y is equal to 16 and x y is equals to 4 find the value of 9 X square + 16 y square​

Answer 1

Answer:

answer is 352

Step-by-step explanation:

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Answer 2

Answer:

352

Step-by-step explanation:

Given that,

3x +4y=16

xy= 4

9x²+16y²= ?

(3x+ 4y)² = 16² = 256

9x² + 16y² +6x +4y= 256

or 9x² + 16y² + 24xy = 256

or 256+24*4

or 256+96

or 352