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

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


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

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

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

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

Combine like terms: -12x + -5x = -17x
(15 + -17x + 4x2) = 0

Solving
15 + -17x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5 + -4x)(3 + -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 '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {1.25, 3}

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