X^2+X=-70

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Solution for X^2+X=-70 equation:


Simplifying
X2 + X = -70

Reorder the terms:
X + X2 = -70

Solving
X + X2 = -70

Solving for variable 'X'.

Reorder the terms:
70 + X + X2 = -70 + 70

Combine like terms: -70 + 70 = 0
70 + X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-70' to each side of the equation.
70 + X + -70 + X2 = 0 + -70

Reorder the terms:
70 + -70 + X + X2 = 0 + -70

Combine like terms: 70 + -70 = 0
0 + X + X2 = 0 + -70
X + X2 = 0 + -70

Combine like terms: 0 + -70 = -70
X + X2 = -70

The X term is X.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
X + 0.25 + X2 = -70 + 0.25

Reorder the terms:
0.25 + X + X2 = -70 + 0.25

Combine like terms: -70 + 0.25 = -69.75
0.25 + X + X2 = -69.75

Factor a perfect square on the left side:
(X + 0.5)(X + 0.5) = -69.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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