x^2+2x+70=-4

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Solution for x^2+2x+70=-4 equation:


Simplifying
x2 + 2x + 70 = -4

Reorder the terms:
70 + 2x + x2 = -4

Solving
70 + 2x + x2 = -4

Solving for variable 'x'.

Reorder the terms:
70 + 4 + 2x + x2 = -4 + 4

Combine like terms: 70 + 4 = 74
74 + 2x + x2 = -4 + 4

Combine like terms: -4 + 4 = 0
74 + 2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-74' to each side of the equation.
74 + 2x + -74 + x2 = 0 + -74

Reorder the terms:
74 + -74 + 2x + x2 = 0 + -74

Combine like terms: 74 + -74 = 0
0 + 2x + x2 = 0 + -74
2x + x2 = 0 + -74

Combine like terms: 0 + -74 = -74
2x + x2 = -74

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -74 + 1

Reorder the terms:
1 + 2x + x2 = -74 + 1

Combine like terms: -74 + 1 = -73
1 + 2x + x2 = -73

Factor a perfect square on the left side:
(x + 1)(x + 1) = -73

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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