6(2-7x)+x(7x-2)7=0

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Solution for 6(2-7x)+x(7x-2)7=0 equation:


Simplifying
6(2 + -7x) + x(7x + -2) * 7 = 0
(2 * 6 + -7x * 6) + x(7x + -2) * 7 = 0
(12 + -42x) + x(7x + -2) * 7 = 0

Reorder the terms:
12 + -42x + x(-2 + 7x) * 7 = 0

Reorder the terms for easier multiplication:
12 + -42x + 7x(-2 + 7x) = 0
12 + -42x + (-2 * 7x + 7x * 7x) = 0
12 + -42x + (-14x + 49x2) = 0

Combine like terms: -42x + -14x = -56x
12 + -56x + 49x2 = 0

Solving
12 + -56x + 49x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2 + -7x)(6 + -7x) = 0

Subproblem 1

Set the factor '(2 + -7x)' equal to zero and attempt to solve: Simplifying 2 + -7x = 0 Solving 2 + -7x = 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 + -7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7x = 0 + -2 -7x = 0 + -2 Combine like terms: 0 + -2 = -2 -7x = -2 Divide each side by '-7'. x = 0.2857142857 Simplifying x = 0.2857142857

Subproblem 2

Set the factor '(6 + -7x)' equal to zero and attempt to solve: Simplifying 6 + -7x = 0 Solving 6 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -7x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -7x = 0 + -6 -7x = 0 + -6 Combine like terms: 0 + -6 = -6 -7x = -6 Divide each side by '-7'. x = 0.8571428571 Simplifying x = 0.8571428571

Solution

x = {0.2857142857, 0.8571428571}

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