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Check whether (x+7) is a factor of (x^2 +4x - 24). Give reason
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Check whether (x+7) is a factor of (x^2 +4x - 24). Give reason

User Jthegedus
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1 Answer

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Because x+7=0 is -7

So substitute the number (-7) to (x^2+4x-24)
User LouD
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