0=-5-19x+4x^2

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Solution for 0=-5-19x+4x^2 equation:


Simplifying
0 = -5 + -19x + 4x2

Solving
0 = -5 + -19x + 4x2

Solving for variable 'x'.

Combine like terms: 0 + 5 = 5
5 + 19x + -4x2 = -5 + -19x + 4x2 + 5 + 19x + -4x2

Reorder the terms:
5 + 19x + -4x2 = -5 + 5 + -19x + 19x + 4x2 + -4x2

Combine like terms: -5 + 5 = 0
5 + 19x + -4x2 = 0 + -19x + 19x + 4x2 + -4x2
5 + 19x + -4x2 = -19x + 19x + 4x2 + -4x2

Combine like terms: -19x + 19x = 0
5 + 19x + -4x2 = 0 + 4x2 + -4x2
5 + 19x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
5 + 19x + -4x2 = 0

Factor a trinomial.
(5 + -1x)(1 + 4x) = 0

Subproblem 1

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Subproblem 2

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

Solution

x = {5, -0.25}

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