(x+4)(2x-5)=o

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Solution for (x+4)(2x-5)=o equation: 


Simplifying
(x + 4)(2x + -5) = o

Reorder the terms:
(4 + x)(2x + -5) = o

Reorder the terms:
(4 + x)(-5 + 2x) = o

Multiply (4 + x) * (-5 + 2x)
(4(-5 + 2x) + x(-5 + 2x)) = o
((-5 * 4 + 2x * 4) + x(-5 + 2x)) = o
((-20 + 8x) + x(-5 + 2x)) = o
(-20 + 8x + (-5 * x + 2x * x)) = o
(-20 + 8x + (-5x + 2x2)) = o

Combine like terms: 8x + -5x = 3x
(-20 + 3x + 2x2) = o

Solving
-20 + 3x + 2x2 = o

Solving for variable 'x'.

Reorder the terms:
-20 + -1o + 3x + 2x2 = o + -1o

Combine like terms: o + -1o = 0
-20 + -1o + 3x + 2x2 = 0

The solution to this equation could not be determined.

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