(x+1)(x-1)=35

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Solution for (x+1)(x-1)=35 equation:


Simplifying
(x + 1)(x + -1) = 35

Reorder the terms:
(1 + x)(x + -1) = 35

Reorder the terms:
(1 + x)(-1 + x) = 35

Multiply (1 + x) * (-1 + x)
(1(-1 + x) + x(-1 + x)) = 35
((-1 * 1 + x * 1) + x(-1 + x)) = 35
((-1 + 1x) + x(-1 + x)) = 35
(-1 + 1x + (-1 * x + x * x)) = 35
(-1 + 1x + (-1x + x2)) = 35

Combine like terms: 1x + -1x = 0
(-1 + 0 + x2) = 35
(-1 + x2) = 35

Solving
-1 + x2 = 35

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + x2 = 35 + 1

Combine like terms: -1 + 1 = 0
0 + x2 = 35 + 1
x2 = 35 + 1

Combine like terms: 35 + 1 = 36
x2 = 36

Simplifying
x2 = 36

Take the square root of each side:
x = {-6, 6}

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