2x^2-x-3=3

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Solution for 2x^2-x-3=3 equation:


Simplifying
2x2 + -1x + -3 = 3

Reorder the terms:
-3 + -1x + 2x2 = 3

Solving
-3 + -1x + 2x2 = 3

Solving for variable 'x'.

Reorder the terms:
-3 + -3 + -1x + 2x2 = 3 + -3

Combine like terms: -3 + -3 = -6
-6 + -1x + 2x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-6 + -1x + 2x2 = 0

Factor a trinomial.
(-3 + -2x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 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 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

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 = {-1.5, 2}

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