X^2+3x+7+21=0

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Solution for X^2+3x+7+21=0 equation: 


Simplifying
X2 + 3x + 7 + 21 = 0

Reorder the terms:
7 + 21 + X2 + 3x = 0

Combine like terms: 7 + 21 = 28
28 + X2 + 3x = 0

Solving
28 + X2 + 3x = 0

Solving for variable 'X'.

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

Add '-28' to each side of the equation.
28 + X2 + -28 + 3x = 0 + -28

Reorder the terms:
28 + -28 + X2 + 3x = 0 + -28

Combine like terms: 28 + -28 = 0
0 + X2 + 3x = 0 + -28
X2 + 3x = 0 + -28

Combine like terms: 0 + -28 = -28
X2 + 3x = -28

Add '-3x' to each side of the equation.
X2 + 3x + -3x = -28 + -3x

Combine like terms: 3x + -3x = 0
X2 + 0 = -28 + -3x
X2 = -28 + -3x

Simplifying
X2 = -28 + -3x

Reorder the terms:
28 + X2 + 3x = -28 + -3x + 28 + 3x

Reorder the terms:
28 + X2 + 3x = -28 + 28 + -3x + 3x

Combine like terms: -28 + 28 = 0
28 + X2 + 3x = 0 + -3x + 3x
28 + X2 + 3x = -3x + 3x

Combine like terms: -3x + 3x = 0
28 + X2 + 3x = 0

The solution to this equation could not be determined.

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