(x+1)(5x+1)=0

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Solution for (x+1)(5x+1)=0 equation:


Simplifying
(x + 1)(5x + 1) = 0

Reorder the terms:
(1 + x)(5x + 1) = 0

Reorder the terms:
(1 + x)(1 + 5x) = 0

Multiply (1 + x) * (1 + 5x)
(1(1 + 5x) + x(1 + 5x)) = 0
((1 * 1 + 5x * 1) + x(1 + 5x)) = 0
((1 + 5x) + x(1 + 5x)) = 0
(1 + 5x + (1 * x + 5x * x)) = 0
(1 + 5x + (1x + 5x2)) = 0

Combine like terms: 5x + 1x = 6x
(1 + 6x + 5x2) = 0

Solving
1 + 6x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + x)(1 + 5x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 5x)' equal to zero and attempt to solve: Simplifying 1 + 5x = 0 Solving 1 + 5x = 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 + 5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5x = 0 + -1 5x = 0 + -1 Combine like terms: 0 + -1 = -1 5x = -1 Divide each side by '5'. x = -0.2 Simplifying x = -0.2

Solution

x = {-1, -0.2}

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