X^2+21x-196=0

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Solution for X^2+21x-196=0 equation:


Simplifying
X2 + 21x + -196 = 0

Reorder the terms:
-196 + X2 + 21x = 0

Solving
-196 + X2 + 21x = 0

Solving for variable 'X'.

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

Add '196' to each side of the equation.
-196 + X2 + 196 + 21x = 0 + 196

Reorder the terms:
-196 + 196 + X2 + 21x = 0 + 196

Combine like terms: -196 + 196 = 0
0 + X2 + 21x = 0 + 196
X2 + 21x = 0 + 196

Combine like terms: 0 + 196 = 196
X2 + 21x = 196

Add '-21x' to each side of the equation.
X2 + 21x + -21x = 196 + -21x

Combine like terms: 21x + -21x = 0
X2 + 0 = 196 + -21x
X2 = 196 + -21x

Simplifying
X2 = 196 + -21x

Reorder the terms:
-196 + X2 + 21x = 196 + -21x + -196 + 21x

Reorder the terms:
-196 + X2 + 21x = 196 + -196 + -21x + 21x

Combine like terms: 196 + -196 = 0
-196 + X2 + 21x = 0 + -21x + 21x
-196 + X2 + 21x = -21x + 21x

Combine like terms: -21x + 21x = 0
-196 + X2 + 21x = 0

The solution to this equation could not be determined.

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