(2x+1)(x-3)=-6

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Solution for (2x+1)(x-3)=-6 equation:


Simplifying
(2x + 1)(x + -3) = -6

Reorder the terms:
(1 + 2x)(x + -3) = -6

Reorder the terms:
(1 + 2x)(-3 + x) = -6

Multiply (1 + 2x) * (-3 + x)
(1(-3 + x) + 2x * (-3 + x)) = -6
((-3 * 1 + x * 1) + 2x * (-3 + x)) = -6
((-3 + 1x) + 2x * (-3 + x)) = -6
(-3 + 1x + (-3 * 2x + x * 2x)) = -6
(-3 + 1x + (-6x + 2x2)) = -6

Combine like terms: 1x + -6x = -5x
(-3 + -5x + 2x2) = -6

Solving
-3 + -5x + 2x2 = -6

Solving for variable 'x'.

Reorder the terms:
-3 + 6 + -5x + 2x2 = -6 + 6

Combine like terms: -3 + 6 = 3
3 + -5x + 2x2 = -6 + 6

Combine like terms: -6 + 6 = 0
3 + -5x + 2x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {1, 1.5}

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