7x^2=13x+2

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Solution for 7x^2=13x+2 equation:


Simplifying
7x2 = 13x + 2

Reorder the terms:
7x2 = 2 + 13x

Solving
7x2 = 2 + 13x

Solving for variable 'x'.

Reorder the terms:
-2 + -13x + 7x2 = 2 + 13x + -2 + -13x

Reorder the terms:
-2 + -13x + 7x2 = 2 + -2 + 13x + -13x

Combine like terms: 2 + -2 = 0
-2 + -13x + 7x2 = 0 + 13x + -13x
-2 + -13x + 7x2 = 13x + -13x

Combine like terms: 13x + -13x = 0
-2 + -13x + 7x2 = 0

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

Subproblem 1

Set the factor '(-1 + -7x)' equal to zero and attempt to solve: Simplifying -1 + -7x = 0 Solving -1 + -7x = 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 + -7x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -7x = 0 + 1 -7x = 0 + 1 Combine like terms: 0 + 1 = 1 -7x = 1 Divide each side by '-7'. x = -0.1428571429 Simplifying x = -0.1428571429

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 = {-0.1428571429, 2}

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