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15-02-2017
Mathematics

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What is the value of -3x to the second power +(-3) to the second power x when x equals -1?

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SyntaxError SyntaxError

15-02-2017

if x =-1
[tex](-3x)^2 +(-3)^2x\\ (-3(-1))^2+(-3^2)(-1)= 0\\ 9+9 = 18\\[/tex]

The answer will be 18

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