X^2-8x+21=2x+1

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Solution for X^2-8x+21=2x+1 equation:


Simplifying
X2 + -8x + 21 = 2x + 1

Reorder the terms:
21 + X2 + -8x = 2x + 1

Reorder the terms:
21 + X2 + -8x = 1 + 2x

Solving
21 + X2 + -8x = 1 + 2x

Solving for variable 'X'.

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

Add '-21' to each side of the equation.
21 + X2 + -21 + -8x = 1 + -21 + 2x

Reorder the terms:
21 + -21 + X2 + -8x = 1 + -21 + 2x

Combine like terms: 21 + -21 = 0
0 + X2 + -8x = 1 + -21 + 2x
X2 + -8x = 1 + -21 + 2x

Combine like terms: 1 + -21 = -20
X2 + -8x = -20 + 2x

Add '8x' to each side of the equation.
X2 + -8x + 8x = -20 + 2x + 8x

Combine like terms: -8x + 8x = 0
X2 + 0 = -20 + 2x + 8x
X2 = -20 + 2x + 8x

Combine like terms: 2x + 8x = 10x
X2 = -20 + 10x

Simplifying
X2 = -20 + 10x

Reorder the terms:
20 + X2 + -10x = -20 + 10x + 20 + -10x

Reorder the terms:
20 + X2 + -10x = -20 + 20 + 10x + -10x

Combine like terms: -20 + 20 = 0
20 + X2 + -10x = 0 + 10x + -10x
20 + X2 + -10x = 10x + -10x

Combine like terms: 10x + -10x = 0
20 + X2 + -10x = 0

The solution to this equation could not be determined.

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