Question

Find the value of the expression
(64x² + 8ly ²+144xy) when x=11 and y= 4/3

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Answer 1

Answer:

10,000

Step-by-step explanation:

Step-by-step explanation:64×11^2 + 81×(4/3)^2 + 144×11×(4/3)

Step-by-step explanation:64×11^2 + 81×(4/3)^2 + 144×11×(4/3)= 64×121 + 81×(16/9) + 144×11×(4/3)

Step-by-step explanation:64×11^2 + 81×(4/3)^2 + 144×11×(4/3)= 64×121 + 81×(16/9) + 144×11×(4/3)= 7744 + 144 + 2112

Step-by-step explanation:64×11^2 + 81×(4/3)^2 + 144×11×(4/3)= 64×121 + 81×(16/9) + 144×11×(4/3)= 7744 + 144 + 2112=10,000

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Answer 2

Answer:

$64 {x}^{2} + 81 {y}^{2} + 144xy = 64 \times {11 }^{2} + 81 ({ \frac{4}{3} })^{2} + 144 \times 11 \times \frac{4}{3} = 64 \times 121 + 81 \times \frac{16}{9 } + 2112 = 7744 + 144 + 2112 = 10000$

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