(6x+7)(x+1)=5

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Solution for (6x+7)(x+1)=5 equation:


Simplifying
(6x + 7)(x + 1) = 5

Reorder the terms:
(7 + 6x)(x + 1) = 5

Reorder the terms:
(7 + 6x)(1 + x) = 5

Multiply (7 + 6x) * (1 + x)
(7(1 + x) + 6x * (1 + x)) = 5
((1 * 7 + x * 7) + 6x * (1 + x)) = 5
((7 + 7x) + 6x * (1 + x)) = 5
(7 + 7x + (1 * 6x + x * 6x)) = 5
(7 + 7x + (6x + 6x2)) = 5

Combine like terms: 7x + 6x = 13x
(7 + 13x + 6x2) = 5

Solving
7 + 13x + 6x2 = 5

Solving for variable 'x'.

Reorder the terms:
7 + -5 + 13x + 6x2 = 5 + -5

Combine like terms: 7 + -5 = 2
2 + 13x + 6x2 = 5 + -5

Combine like terms: 5 + -5 = 0
2 + 13x + 6x2 = 0

Factor a trinomial.
(2 + x)(1 + 6x) = 0

Subproblem 1

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(1 + 6x)' equal to zero and attempt to solve: Simplifying 1 + 6x = 0 Solving 1 + 6x = 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 + 6x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 6x = 0 + -1 6x = 0 + -1 Combine like terms: 0 + -1 = -1 6x = -1 Divide each side by '6'. x = -0.1666666667 Simplifying x = -0.1666666667

Solution

x = {-2, -0.1666666667}

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