(6x+7)(x-3)=0

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Solution for (6x+7)(x-3)=0 equation:


Simplifying
(6x + 7)(x + -3) = 0

Reorder the terms:
(7 + 6x)(x + -3) = 0

Reorder the terms:
(7 + 6x)(-3 + x) = 0

Multiply (7 + 6x) * (-3 + x)
(7(-3 + x) + 6x * (-3 + x)) = 0
((-3 * 7 + x * 7) + 6x * (-3 + x)) = 0
((-21 + 7x) + 6x * (-3 + x)) = 0
(-21 + 7x + (-3 * 6x + x * 6x)) = 0
(-21 + 7x + (-18x + 6x2)) = 0

Combine like terms: 7x + -18x = -11x
(-21 + -11x + 6x2) = 0

Solving
-21 + -11x + 6x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -6x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -6x)' equal to zero and attempt to solve: Simplifying -7 + -6x = 0 Solving -7 + -6x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -6x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -6x = 0 + 7 -6x = 0 + 7 Combine like terms: 0 + 7 = 7 -6x = 7 Divide each side by '-6'. x = -1.166666667 Simplifying x = -1.166666667

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 = {-1.166666667, 3}

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