x(-20x-7)+3=0

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Solution for x(-20x-7)+3=0 equation:


Simplifying
x(-20x + -7) + 3 = 0

Reorder the terms:
x(-7 + -20x) + 3 = 0
(-7 * x + -20x * x) + 3 = 0
(-7x + -20x2) + 3 = 0

Reorder the terms:
3 + -7x + -20x2 = 0

Solving
3 + -7x + -20x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + -4x)(3 + 5x) = 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 + 5x)' equal to zero and attempt to solve: Simplifying 3 + 5x = 0 Solving 3 + 5x = 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 + 5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5x = 0 + -3 5x = 0 + -3 Combine like terms: 0 + -3 = -3 5x = -3 Divide each side by '5'. x = -0.6 Simplifying x = -0.6

Solution

x = {0.25, -0.6}

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