5x^2-28x=-4x^2-3x-14

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Solution for 5x^2-28x=-4x^2-3x-14 equation:


Simplifying
5x2 + -28x = -4x2 + -3x + -14

Reorder the terms:
-28x + 5x2 = -4x2 + -3x + -14

Reorder the terms:
-28x + 5x2 = -14 + -3x + -4x2

Solving
-28x + 5x2 = -14 + -3x + -4x2

Solving for variable 'x'.

Reorder the terms:
14 + -28x + 3x + 5x2 + 4x2 = -14 + -3x + -4x2 + 14 + 3x + 4x2

Combine like terms: -28x + 3x = -25x
14 + -25x + 5x2 + 4x2 = -14 + -3x + -4x2 + 14 + 3x + 4x2

Combine like terms: 5x2 + 4x2 = 9x2
14 + -25x + 9x2 = -14 + -3x + -4x2 + 14 + 3x + 4x2

Reorder the terms:
14 + -25x + 9x2 = -14 + 14 + -3x + 3x + -4x2 + 4x2

Combine like terms: -14 + 14 = 0
14 + -25x + 9x2 = 0 + -3x + 3x + -4x2 + 4x2
14 + -25x + 9x2 = -3x + 3x + -4x2 + 4x2

Combine like terms: -3x + 3x = 0
14 + -25x + 9x2 = 0 + -4x2 + 4x2
14 + -25x + 9x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
14 + -25x + 9x2 = 0

Factor a trinomial.
(7 + -9x)(2 + -1x) = 0

Subproblem 1

Set the factor '(7 + -9x)' equal to zero and attempt to solve: Simplifying 7 + -9x = 0 Solving 7 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -9x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -9x = 0 + -7 -9x = 0 + -7 Combine like terms: 0 + -7 = -7 -9x = -7 Divide each side by '-9'. x = 0.7777777778 Simplifying x = 0.7777777778

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {0.7777777778, 2}

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