(x+6)(x+6)-5x=x^2+1

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Solution for (x+6)(x+6)-5x=x^2+1 equation:


Simplifying
(x + 6)(x + 6) + -5x = x2 + 1

Reorder the terms:
(6 + x)(x + 6) + -5x = x2 + 1

Reorder the terms:
(6 + x)(6 + x) + -5x = x2 + 1

Multiply (6 + x) * (6 + x)
(6(6 + x) + x(6 + x)) + -5x = x2 + 1
((6 * 6 + x * 6) + x(6 + x)) + -5x = x2 + 1
((36 + 6x) + x(6 + x)) + -5x = x2 + 1
(36 + 6x + (6 * x + x * x)) + -5x = x2 + 1
(36 + 6x + (6x + x2)) + -5x = x2 + 1

Combine like terms: 6x + 6x = 12x
(36 + 12x + x2) + -5x = x2 + 1

Reorder the terms:
36 + 12x + -5x + x2 = x2 + 1

Combine like terms: 12x + -5x = 7x
36 + 7x + x2 = x2 + 1

Reorder the terms:
36 + 7x + x2 = 1 + x2

Add '-1x2' to each side of the equation.
36 + 7x + x2 + -1x2 = 1 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
36 + 7x + 0 = 1 + x2 + -1x2
36 + 7x = 1 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
36 + 7x = 1 + 0
36 + 7x = 1

Solving
36 + 7x = 1

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-36' to each side of the equation.
36 + -36 + 7x = 1 + -36

Combine like terms: 36 + -36 = 0
0 + 7x = 1 + -36
7x = 1 + -36

Combine like terms: 1 + -36 = -35
7x = -35

Divide each side by '7'.
x = -5

Simplifying
x = -5

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