X^2-16x+21=-1

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Solution for X^2-16x+21=-1 equation:


Simplifying
X2 + -16x + 21 = -1

Reorder the terms:
21 + X2 + -16x = -1

Solving
21 + X2 + -16x = -1

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 + -16x = -1 + -21

Reorder the terms:
21 + -21 + X2 + -16x = -1 + -21

Combine like terms: 21 + -21 = 0
0 + X2 + -16x = -1 + -21
X2 + -16x = -1 + -21

Combine like terms: -1 + -21 = -22
X2 + -16x = -22

Add '16x' to each side of the equation.
X2 + -16x + 16x = -22 + 16x

Combine like terms: -16x + 16x = 0
X2 + 0 = -22 + 16x
X2 = -22 + 16x

Simplifying
X2 = -22 + 16x

Reorder the terms:
22 + X2 + -16x = -22 + 16x + 22 + -16x

Reorder the terms:
22 + X2 + -16x = -22 + 22 + 16x + -16x

Combine like terms: -22 + 22 = 0
22 + X2 + -16x = 0 + 16x + -16x
22 + X2 + -16x = 16x + -16x

Combine like terms: 16x + -16x = 0
22 + X2 + -16x = 0

The solution to this equation could not be determined.

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