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

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


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

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

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

Multiply (-2 + -7x) * (-2 + -7x)
(-2(-2 + -7x) + -7x * (-2 + -7x)) = 0
((-2 * -2 + -7x * -2) + -7x * (-2 + -7x)) = 0
((4 + 14x) + -7x * (-2 + -7x)) = 0
(4 + 14x + (-2 * -7x + -7x * -7x)) = 0
(4 + 14x + (14x + 49x2)) = 0

Combine like terms: 14x + 14x = 28x
(4 + 28x + 49x2) = 0

Solving
4 + 28x + 49x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2 + 7x)(2 + 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 '(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

Solution

x = {-0.2857142857, -0.2857142857}

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