X^2-3x-20=8

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Solution for X^2-3x-20=8 equation:


Simplifying
X2 + -3x + -20 = 8

Reorder the terms:
-20 + X2 + -3x = 8

Solving
-20 + X2 + -3x = 8

Solving for variable 'X'.

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

Add '20' to each side of the equation.
-20 + X2 + 20 + -3x = 8 + 20

Reorder the terms:
-20 + 20 + X2 + -3x = 8 + 20

Combine like terms: -20 + 20 = 0
0 + X2 + -3x = 8 + 20
X2 + -3x = 8 + 20

Combine like terms: 8 + 20 = 28
X2 + -3x = 28

Add '3x' to each side of the equation.
X2 + -3x + 3x = 28 + 3x

Combine like terms: -3x + 3x = 0
X2 + 0 = 28 + 3x
X2 = 28 + 3x

Simplifying
X2 = 28 + 3x

Reorder the terms:
-28 + X2 + -3x = 28 + 3x + -28 + -3x

Reorder the terms:
-28 + X2 + -3x = 28 + -28 + 3x + -3x

Combine like terms: 28 + -28 = 0
-28 + X2 + -3x = 0 + 3x + -3x
-28 + X2 + -3x = 3x + -3x

Combine like terms: 3x + -3x = 0
-28 + X2 + -3x = 0

The solution to this equation could not be determined.

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