(4x+5)(2x-3)=0

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Solution for (4x+5)(2x-3)=0 equation: 


Simplifying
(4x + 5)(2x + -3) = 0

Reorder the terms:
(5 + 4x)(2x + -3) = 0

Reorder the terms:
(5 + 4x)(-3 + 2x) = 0

Multiply (5 + 4x) * (-3 + 2x)
(5(-3 + 2x) + 4x * (-3 + 2x)) = 0
((-3 * 5 + 2x * 5) + 4x * (-3 + 2x)) = 0
((-15 + 10x) + 4x * (-3 + 2x)) = 0
(-15 + 10x + (-3 * 4x + 2x * 4x)) = 0
(-15 + 10x + (-12x + 8x2)) = 0

Combine like terms: 10x + -12x = -2x
(-15 + -2x + 8x2) = 0

Solving
-15 + -2x + 8x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -4x)(3 + -2x) = 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 '(3 + -2x)' equal to zero and attempt to solve:

Simplifying
3 + -2x = 0

Solving
3 + -2x = 0

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

Add '-3' to each side of the equation.
3 + -3 + -2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 0 + -3
-2x = 0 + -3

Combine like terms: 0 + -3 = -3
-2x = -3

Divide each side by '-2'.
x = 1.5

Simplifying
x = 1.5
Solution
x = {-1.25, 1.5}

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