Question

Find the value of 81a² +96² +54ab, when a = - 2 , b = - 4​

Answer 1

Answer:

9972

Step-by-step explanation:

81(a)^2 + 96^2 + 54ab

= 81(-2)^2 + 96^2 + 54(-2)(-4)

= (81)(4) + 96^2 + 54(8)

= 324 + 9216 + 432

= 9972

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