X^2-21x+240=0

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Solution for X^2-21x+240=0 equation:


Simplifying
X2 + -21x + 240 = 0

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

Solving
240 + X2 + -21x = 0

Solving for variable 'X'.

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

Add '-240' to each side of the equation.
240 + X2 + -240 + -21x = 0 + -240

Reorder the terms:
240 + -240 + X2 + -21x = 0 + -240

Combine like terms: 240 + -240 = 0
0 + X2 + -21x = 0 + -240
X2 + -21x = 0 + -240

Combine like terms: 0 + -240 = -240
X2 + -21x = -240

Add '21x' to each side of the equation.
X2 + -21x + 21x = -240 + 21x

Combine like terms: -21x + 21x = 0
X2 + 0 = -240 + 21x
X2 = -240 + 21x

Simplifying
X2 = -240 + 21x

Reorder the terms:
240 + X2 + -21x = -240 + 21x + 240 + -21x

Reorder the terms:
240 + X2 + -21x = -240 + 240 + 21x + -21x

Combine like terms: -240 + 240 = 0
240 + X2 + -21x = 0 + 21x + -21x
240 + X2 + -21x = 21x + -21x

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

The solution to this equation could not be determined.

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