7x^2+44x+80=0

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Solution for 7x^2+44x+80=0 equation:


Simplifying
7x2 + 44x + 80 = 0

Reorder the terms:
80 + 44x + 7x2 = 0

Solving
80 + 44x + 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'.
11.42857143 + 6.285714286x + x2 = 0

Move the constant term to the right:

Add '-11.42857143' to each side of the equation.
11.42857143 + 6.285714286x + -11.42857143 + x2 = 0 + -11.42857143

Reorder the terms:
11.42857143 + -11.42857143 + 6.285714286x + x2 = 0 + -11.42857143

Combine like terms: 11.42857143 + -11.42857143 = 0.00000000
0.00000000 + 6.285714286x + x2 = 0 + -11.42857143
6.285714286x + x2 = 0 + -11.42857143

Combine like terms: 0 + -11.42857143 = -11.42857143
6.285714286x + x2 = -11.42857143

The x term is 6.285714286x.  Take half its coefficient (3.142857143).
Square it (9.877551021) and add it to both sides.

Add '9.877551021' to each side of the equation.
6.285714286x + 9.877551021 + x2 = -11.42857143 + 9.877551021

Reorder the terms:
9.877551021 + 6.285714286x + x2 = -11.42857143 + 9.877551021

Combine like terms: -11.42857143 + 9.877551021 = -1.551020409
9.877551021 + 6.285714286x + x2 = -1.551020409

Factor a perfect square on the left side:
(x + 3.142857143)(x + 3.142857143) = -1.551020409

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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