7x-1=3x^2+x-1

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Solution for 7x-1=3x^2+x-1 equation:


Simplifying
7x + -1 = 3x2 + x + -1

Reorder the terms:
-1 + 7x = 3x2 + x + -1

Reorder the terms:
-1 + 7x = -1 + x + 3x2

Add '1' to each side of the equation.
-1 + 1 + 7x = -1 + x + 1 + 3x2

Combine like terms: -1 + 1 = 0
0 + 7x = -1 + x + 1 + 3x2
7x = -1 + x + 1 + 3x2

Reorder the terms:
7x = -1 + 1 + x + 3x2

Combine like terms: -1 + 1 = 0
7x = 0 + x + 3x2
7x = x + 3x2

Solving
7x = x + 3x2

Solving for variable 'x'.

Combine like terms: 7x + -1x = 6x
6x + -3x2 = x + 3x2 + -1x + -3x2

Reorder the terms:
6x + -3x2 = x + -1x + 3x2 + -3x2

Combine like terms: x + -1x = 0
6x + -3x2 = 0 + 3x2 + -3x2
6x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
6x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(2 + -1x) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

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, 2}

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