5x^2-10=14x-7

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Solution for 5x^2-10=14x-7 equation:


Simplifying
5x2 + -10 = 14x + -7

Reorder the terms:
-10 + 5x2 = 14x + -7

Reorder the terms:
-10 + 5x2 = -7 + 14x

Solving
-10 + 5x2 = -7 + 14x

Solving for variable 'x'.

Reorder the terms:
-10 + 7 + -14x + 5x2 = -7 + 14x + 7 + -14x

Combine like terms: -10 + 7 = -3
-3 + -14x + 5x2 = -7 + 14x + 7 + -14x

Reorder the terms:
-3 + -14x + 5x2 = -7 + 7 + 14x + -14x

Combine like terms: -7 + 7 = 0
-3 + -14x + 5x2 = 0 + 14x + -14x
-3 + -14x + 5x2 = 14x + -14x

Combine like terms: 14x + -14x = 0
-3 + -14x + 5x2 = 0

Factor a trinomial.
(-1 + -5x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-1 + -5x)' equal to zero and attempt to solve: Simplifying -1 + -5x = 0 Solving -1 + -5x = 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 + -5x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -5x = 0 + 1 -5x = 0 + 1 Combine like terms: 0 + 1 = 1 -5x = 1 Divide each side by '-5'. x = -0.2 Simplifying x = -0.2

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-0.2, 3}

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