2x(4x-5)=3

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


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

Reorder the terms:
2x(-5 + 4x) = 3
(-5 * 2x + 4x * 2x) = 3
(-10x + 8x2) = 3

Solving
-10x + 8x2 = 3

Solving for variable 'x'.

Reorder the terms:
-3 + -10x + 8x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + -10x + 8x2 = 0

Factor a trinomial.
(-1 + -4x)(3 + -2x) = 0

Subproblem 1

Set the factor '(-1 + -4x)' equal to zero and attempt to solve: Simplifying -1 + -4x = 0 Solving -1 + -4x = 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 + -4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4x = 0 + 1 -4x = 0 + 1 Combine like terms: 0 + 1 = 1 -4x = 1 Divide each side by '-4'. x = -0.25 Simplifying x = -0.25

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 = {-0.25, 1.5}

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