Math, asked by ekaagritakumari, 5 hours ago

find the value of expression 81x^2+64x^2, if 9x-8y=18 and xy=7

Answers

Answered by syamalghosh606

0

Answer:

1332

Step-by-step explanation:

(9x--8y)2+2.9x.8y=(18)2+144×7=1332

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