X^2-x+1=21

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


Simplifying
X2 + -1x + 1 = 21

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

Solving
1 + X2 + -1x = 21

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 + X2 + -1 + -1x = 21 + -1

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

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

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

Add 'x' to each side of the equation.
X2 + -1x + x = 20 + x

Combine like terms: -1x + x = 0
X2 + 0 = 20 + x
X2 = 20 + x

Simplifying
X2 = 20 + x

Reorder the terms:
-20 + X2 + -1x = 20 + x + -20 + -1x

Reorder the terms:
-20 + X2 + -1x = 20 + -20 + x + -1x

Combine like terms: 20 + -20 = 0
-20 + X2 + -1x = 0 + x + -1x
-20 + X2 + -1x = x + -1x

Combine like terms: x + -1x = 0
-20 + X2 + -1x = 0

The solution to this equation could not be determined.

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