31+x^2=(x-3)(x-2)

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Solution for 31+x^2=(x-3)(x-2) equation:


Simplifying
31 + x2 = (x + -3)(x + -2)

Reorder the terms:
31 + x2 = (-3 + x)(x + -2)

Reorder the terms:
31 + x2 = (-3 + x)(-2 + x)

Multiply (-3 + x) * (-2 + x)
31 + x2 = (-3(-2 + x) + x(-2 + x))
31 + x2 = ((-2 * -3 + x * -3) + x(-2 + x))
31 + x2 = ((6 + -3x) + x(-2 + x))
31 + x2 = (6 + -3x + (-2 * x + x * x))
31 + x2 = (6 + -3x + (-2x + x2))

Combine like terms: -3x + -2x = -5x
31 + x2 = (6 + -5x + x2)

Add '-1x2' to each side of the equation.
31 + x2 + -1x2 = 6 + -5x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
31 + 0 = 6 + -5x + x2 + -1x2
31 = 6 + -5x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
31 = 6 + -5x + 0
31 = 6 + -5x

Solving
31 = 6 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
31 + 5x = 6 + -5x + 5x

Combine like terms: -5x + 5x = 0
31 + 5x = 6 + 0
31 + 5x = 6

Add '-31' to each side of the equation.
31 + -31 + 5x = 6 + -31

Combine like terms: 31 + -31 = 0
0 + 5x = 6 + -31
5x = 6 + -31

Combine like terms: 6 + -31 = -25
5x = -25

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

Simplifying
x = -5

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