(4x+5)(3x-1)=

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Solution for (4x+5)(3x-1)= equation: 


Simplifying
(4x + 5)(3x + -1) = 0

Reorder the terms:
(5 + 4x)(3x + -1) = 0

Reorder the terms:
(5 + 4x)(-1 + 3x) = 0

Multiply (5 + 4x) * (-1 + 3x)
(5(-1 + 3x) + 4x * (-1 + 3x)) = 0
((-1 * 5 + 3x * 5) + 4x * (-1 + 3x)) = 0
((-5 + 15x) + 4x * (-1 + 3x)) = 0
(-5 + 15x + (-1 * 4x + 3x * 4x)) = 0
(-5 + 15x + (-4x + 12x2)) = 0

Combine like terms: 15x + -4x = 11x
(-5 + 11x + 12x2) = 0

Solving
-5 + 11x + 12x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -4x)(1 + -3x) = 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 '(1 + -3x)' equal to zero and attempt to solve:

Simplifying
1 + -3x = 0

Solving
1 + -3x = 0

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

Add '-1' to each side of the equation.
1 + -1 + -3x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3x = 0 + -1
-3x = 0 + -1

Combine like terms: 0 + -1 = -1
-3x = -1

Divide each side by '-3'.
x = 0.3333333333

Simplifying
x = 0.3333333333
Solution
x = {-1.25, 0.3333333333}

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