Question

if if 2 X + 3 Y is equal to 8 and X Y is equal to 4 then find the value of 4 x square + 9 y square​

Answer 1

Answer:

4x²+9y²=16

Step-by-step explanation:

2 x + 3 y=8

squaring

(2 x)² + (3 y)²+2(2x)(3y)=8²

4x²+9y²+12xy=64

4x²+9y²+12*4=64

4x²+9y²=64-48

4x²+9y²=16

Answer 2

Step-by-step explanation:

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