5x^2-16x=-2x^2-5x-4

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Solution for 5x^2-16x=-2x^2-5x-4 equation:


Simplifying
5x2 + -16x = -2x2 + -5x + -4

Reorder the terms:
-16x + 5x2 = -2x2 + -5x + -4

Reorder the terms:
-16x + 5x2 = -4 + -5x + -2x2

Solving
-16x + 5x2 = -4 + -5x + -2x2

Solving for variable 'x'.

Reorder the terms:
4 + -16x + 5x + 5x2 + 2x2 = -4 + -5x + -2x2 + 4 + 5x + 2x2

Combine like terms: -16x + 5x = -11x
4 + -11x + 5x2 + 2x2 = -4 + -5x + -2x2 + 4 + 5x + 2x2

Combine like terms: 5x2 + 2x2 = 7x2
4 + -11x + 7x2 = -4 + -5x + -2x2 + 4 + 5x + 2x2

Reorder the terms:
4 + -11x + 7x2 = -4 + 4 + -5x + 5x + -2x2 + 2x2

Combine like terms: -4 + 4 = 0
4 + -11x + 7x2 = 0 + -5x + 5x + -2x2 + 2x2
4 + -11x + 7x2 = -5x + 5x + -2x2 + 2x2

Combine like terms: -5x + 5x = 0
4 + -11x + 7x2 = 0 + -2x2 + 2x2
4 + -11x + 7x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
4 + -11x + 7x2 = 0

Factor a trinomial.
(4 + -7x)(1 + -1x) = 0

Subproblem 1

Set the factor '(4 + -7x)' equal to zero and attempt to solve: Simplifying 4 + -7x = 0 Solving 4 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x = 0 + -4 -7x = 0 + -4 Combine like terms: 0 + -4 = -4 -7x = -4 Divide each side by '-7'. x = 0.5714285714 Simplifying x = 0.5714285714

Subproblem 2

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

Solution

x = {0.5714285714, 1}

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