Question

if 3x+2y=12 and xy=6, find the value of 9xsq +4ysq
please get me perfect answer ​

Answer 1

Answer:

132 is the write answer

Step-by-step explanation:

(a+b)²=a²+b²+2ab

(3x+2y)²=144

so,

9x²+4x²=(3x+2y)²-2xy

which gives 132