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y x 2 8x 15 x 7

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Y=-x^2-8x-15 X=-7

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Answer to a math question Y=-x^2-8x-15 X=-7

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$y=49-8\left(-7\right)-15$

$y=49-\left(-56\right)-15$

$y=49+56-15$

$y=105-15$

$y=90$

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