0
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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Earn +20 ptsQ: What is x to the 2nd power minus x minus 56?
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What is x to the 2nd power plus x minus 56?
It's an expression, whose exact value depends on the value assigned to "x".
How you work out x squared minus x minus 56 0?
If you mean: x squared -x -56 = 0 then using the quadratic equation formula x = 8 or x = -7
What is x to the 3rd power minus 3x to the 2nd power minus 28x?
x3 - 3x2 - 28x = x (x2 - 3x - 28) = x (x - 7) (x + 4)The numerical value of all this, of course, depends on the value of 'x',and it can change in a flash whenever the value of 'x' changes.
What is 3 to the power of x minus 2 times 3 to the power of x minus 2?
x5
What is minus 9 times minus 8 plus minus sixteen?
(-9 x -8) + (-16) = (72) -16 = 56
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