Question

if 3x+2y=12and xy=6 find the value of 9x²+4y²​

Answer 1

Answer:

12

Step-by-step explanation:

( 3x+ 2y)^ 2 =9x^2 + 4y^2 + 2*xy

12^2 =9x^2 + 4y^2 +2*6

144=9x^2 + 4y^2+12

9x^2 + 4y^2 = 144-12

=132

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