2X^2-x+21=0

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


Simplifying
2X2 + -1x + 21 = 0

Reorder the terms:
21 + 2X2 + -1x = 0

Solving
21 + 2X2 + -1x = 0

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 + 2X2 + -21 + -1x = 0 + -21

Reorder the terms:
21 + -21 + 2X2 + -1x = 0 + -21

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

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

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

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

Divide each side by '2'.
X2 = -10.5 + 0.5x

Simplifying
X2 = -10.5 + 0.5x

Reorder the terms:
10.5 + X2 + -0.5x = -10.5 + 0.5x + 10.5 + -0.5x

Reorder the terms:
10.5 + X2 + -0.5x = -10.5 + 10.5 + 0.5x + -0.5x

Combine like terms: -10.5 + 10.5 = 0.0
10.5 + X2 + -0.5x = 0.0 + 0.5x + -0.5x
10.5 + X2 + -0.5x = 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
10.5 + X2 + -0.5x = 0.0

The solution to this equation could not be determined.

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