45x^2-180x+180+9x-18+5=0

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Solution for 45x^2-180x+180+9x-18+5=0 equation:


Simplifying
45x2 + -180x + 180 + 9x + -18 + 5 = 0

Reorder the terms:
180 + -18 + 5 + -180x + 9x + 45x2 = 0

Combine like terms: 180 + -18 = 162
162 + 5 + -180x + 9x + 45x2 = 0

Combine like terms: 162 + 5 = 167
167 + -180x + 9x + 45x2 = 0

Combine like terms: -180x + 9x = -171x
167 + -171x + 45x2 = 0

Solving
167 + -171x + 45x2 = 0

Solving for variable 'x'.

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

Divide each side by '45'.
3.711111111 + -3.8x + x2 = 0

Move the constant term to the right:

Add '-3.711111111' to each side of the equation.
3.711111111 + -3.8x + -3.711111111 + x2 = 0 + -3.711111111

Reorder the terms:
3.711111111 + -3.711111111 + -3.8x + x2 = 0 + -3.711111111

Combine like terms: 3.711111111 + -3.711111111 = 0.000000000
0.000000000 + -3.8x + x2 = 0 + -3.711111111
-3.8x + x2 = 0 + -3.711111111

Combine like terms: 0 + -3.711111111 = -3.711111111
-3.8x + x2 = -3.711111111

The x term is -3.8x.  Take half its coefficient (-1.9).
Square it (3.61) and add it to both sides.

Add '3.61' to each side of the equation.
-3.8x + 3.61 + x2 = -3.711111111 + 3.61

Reorder the terms:
3.61 + -3.8x + x2 = -3.711111111 + 3.61

Combine like terms: -3.711111111 + 3.61 = -0.101111111
3.61 + -3.8x + x2 = -0.101111111

Factor a perfect square on the left side:
(x + -1.9)(x + -1.9) = -0.101111111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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