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What is the value of 36x - 8y to the power of 2, when x=3 and y= -6

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[tex]36x-8y^2 \hbox{ when } x=3 \hbox{ and } y=-6 \\ \\ 36 \times 3 -8 \times (-6)^2=3 \times 36 - 8 \times 36=(3-8) \times 36= -5 \times 36=\\ =\boxed{-180}[/tex]
[tex](36x-8y)^{2} [/tex]

[tex][36(3)-8(-6)]^2[/tex]

[tex](108+48)^2[/tex]

[tex]156 ^{2} [/tex]

[tex]=24336[/tex]
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