X^2-8x-9=2x^2-4x-30

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Solution for X^2-8x-9=2x^2-4x-30 equation:


Simplifying
X2 + -8x + -9 = 2x2 + -4x + -30

Reorder the terms:
-9 + X2 + -8x = 2x2 + -4x + -30

Reorder the terms:
-9 + X2 + -8x = -30 + -4x + 2x2

Solving
-9 + X2 + -8x = -30 + -4x + 2x2

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + X2 + 9 + -8x = -30 + -4x + 9 + 2x2

Reorder the terms:
-9 + 9 + X2 + -8x = -30 + -4x + 9 + 2x2

Combine like terms: -9 + 9 = 0
0 + X2 + -8x = -30 + -4x + 9 + 2x2
X2 + -8x = -30 + -4x + 9 + 2x2

Reorder the terms:
X2 + -8x = -30 + 9 + -4x + 2x2

Combine like terms: -30 + 9 = -21
X2 + -8x = -21 + -4x + 2x2

Add '8x' to each side of the equation.
X2 + -8x + 8x = -21 + -4x + 8x + 2x2

Combine like terms: -8x + 8x = 0
X2 + 0 = -21 + -4x + 8x + 2x2
X2 = -21 + -4x + 8x + 2x2

Combine like terms: -4x + 8x = 4x
X2 = -21 + 4x + 2x2

Simplifying
X2 = -21 + 4x + 2x2

Reorder the terms:
21 + X2 + -4x + -2x2 = -21 + 4x + 2x2 + 21 + -4x + -2x2

Reorder the terms:
21 + X2 + -4x + -2x2 = -21 + 21 + 4x + -4x + 2x2 + -2x2

Combine like terms: -21 + 21 = 0
21 + X2 + -4x + -2x2 = 0 + 4x + -4x + 2x2 + -2x2
21 + X2 + -4x + -2x2 = 4x + -4x + 2x2 + -2x2

Combine like terms: 4x + -4x = 0
21 + X2 + -4x + -2x2 = 0 + 2x2 + -2x2
21 + X2 + -4x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
21 + X2 + -4x + -2x2 = 0

The solution to this equation could not be determined.

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