7x^2+2x+160=0

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Solution for 7x^2+2x+160=0 equation:


Simplifying
7x2 + 2x + 160 = 0

Reorder the terms:
160 + 2x + 7x2 = 0

Solving
160 + 2x + 7x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
7 the coefficient of the squared term: 

Divide each side by '7'.
22.85714286 + 0.2857142857x + x2 = 0

Move the constant term to the right:

Add '-22.85714286' to each side of the equation.
22.85714286 + 0.2857142857x + -22.85714286 + x2 = 0 + -22.85714286

Reorder the terms:
22.85714286 + -22.85714286 + 0.2857142857x + x2 = 0 + -22.85714286

Combine like terms: 22.85714286 + -22.85714286 = 0.00000000
0.00000000 + 0.2857142857x + x2 = 0 + -22.85714286
0.2857142857x + x2 = 0 + -22.85714286

Combine like terms: 0 + -22.85714286 = -22.85714286
0.2857142857x + x2 = -22.85714286

The x term is 0.2857142857x.  Take half its coefficient (0.1428571429).
Square it (0.02040816328) and add it to both sides.

Add '0.02040816328' to each side of the equation.
0.2857142857x + 0.02040816328 + x2 = -22.85714286 + 0.02040816328

Reorder the terms:
0.02040816328 + 0.2857142857x + x2 = -22.85714286 + 0.02040816328

Combine like terms: -22.85714286 + 0.02040816328 = -22.83673469672
0.02040816328 + 0.2857142857x + x2 = -22.83673469672

Factor a perfect square on the left side:
(x + 0.1428571429)(x + 0.1428571429) = -22.83673469672

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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