4x^2+45x+140=0

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Solution for 4x^2+45x+140=0 equation:


Simplifying
4x2 + 45x + 140 = 0

Reorder the terms:
140 + 45x + 4x2 = 0

Solving
140 + 45x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
35 + 11.25x + x2 = 0

Move the constant term to the right:

Add '-35' to each side of the equation.
35 + 11.25x + -35 + x2 = 0 + -35

Reorder the terms:
35 + -35 + 11.25x + x2 = 0 + -35

Combine like terms: 35 + -35 = 0
0 + 11.25x + x2 = 0 + -35
11.25x + x2 = 0 + -35

Combine like terms: 0 + -35 = -35
11.25x + x2 = -35

The x term is 11.25x.  Take half its coefficient (5.625).
Square it (31.640625) and add it to both sides.

Add '31.640625' to each side of the equation.
11.25x + 31.640625 + x2 = -35 + 31.640625

Reorder the terms:
31.640625 + 11.25x + x2 = -35 + 31.640625

Combine like terms: -35 + 31.640625 = -3.359375
31.640625 + 11.25x + x2 = -3.359375

Factor a perfect square on the left side:
(x + 5.625)(x + 5.625) = -3.359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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