(4x-5)(x-8)=

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Solution for (4x-5)(x-8)= equation: 


Simplifying
(4x + -5)(x + -8) = 0

Reorder the terms:
(-5 + 4x)(x + -8) = 0

Reorder the terms:
(-5 + 4x)(-8 + x) = 0

Multiply (-5 + 4x) * (-8 + x)
(-5(-8 + x) + 4x * (-8 + x)) = 0
((-8 * -5 + x * -5) + 4x * (-8 + x)) = 0
((40 + -5x) + 4x * (-8 + x)) = 0
(40 + -5x + (-8 * 4x + x * 4x)) = 0
(40 + -5x + (-32x + 4x2)) = 0

Combine like terms: -5x + -32x = -37x
(40 + -37x + 4x2) = 0

Solving
40 + -37x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5 + -4x)(8 + -1x) = 0


Subproblem 1
Set the factor '(5 + -4x)' equal to zero and attempt to solve:

Simplifying
5 + -4x = 0

Solving
5 + -4x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -4x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 0 + -5
-4x = 0 + -5

Combine like terms: 0 + -5 = -5
-4x = -5

Divide each side by '-4'.
x = 1.25

Simplifying
x = 1.25

Subproblem 2
Set the factor '(8 + -1x)' equal to zero and attempt to solve:

Simplifying
8 + -1x = 0

Solving
8 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + -1x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 0 + -8
-1x = 0 + -8

Combine like terms: 0 + -8 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8
Solution
x = {1.25, 8}

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