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x^(2) - x - 56

is a Quadratic EXPRESSION.

This can be factored to

( x + 7)(x - 8)

To find the values of 'x' , it needs to be equated to 'zero'

Hence it is Quadratic EQUATION

x^(2) - x - 56 = 0

( x + 7)(x - 8) = 0

x + 7 = 0

x = -7

& / or

x - 8 = 0

x = 8

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lenpollock

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1mo ago

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More answers

x2-x-56 = (x+7)(x-8) when factored

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Wiki User

13y ago
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Q: What is x to the 2nd power minus x minus 56?
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