(x+4)(x-5)=o

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Solution for (x+4)(x-5)=o equation: 


Simplifying
(x + 4)(x + -5) = o

Reorder the terms:
(4 + x)(x + -5) = o

Reorder the terms:
(4 + x)(-5 + x) = o

Multiply (4 + x) * (-5 + x)
(4(-5 + x) + x(-5 + x)) = o
((-5 * 4 + x * 4) + x(-5 + x)) = o
((-20 + 4x) + x(-5 + x)) = o
(-20 + 4x + (-5 * x + x * x)) = o
(-20 + 4x + (-5x + x2)) = o

Combine like terms: 4x + -5x = -1x
(-20 + -1x + x2) = o

Solving
-20 + -1x + x2 = o

Solving for variable 'x'.

Reorder the terms:
-20 + -1o + -1x + x2 = o + -1o

Combine like terms: o + -1o = 0
-20 + -1o + -1x + x2 = 0

The solution to this equation could not be determined.

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