90x^2+1=18x

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Solution for 90x^2+1=18x equation:


Simplifying
90x2 + 1 = 18x

Reorder the terms:
1 + 90x2 = 18x

Solving
1 + 90x2 = 18x

Solving for variable 'x'.

Reorder the terms:
1 + -18x + 90x2 = 18x + -18x

Combine like terms: 18x + -18x = 0
1 + -18x + 90x2 = 0

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

Divide each side by '90'.
0.01111111111 + -0.2x + x2 = 0

Move the constant term to the right:

Add '-0.01111111111' to each side of the equation.
0.01111111111 + -0.2x + -0.01111111111 + x2 = 0 + -0.01111111111

Reorder the terms:
0.01111111111 + -0.01111111111 + -0.2x + x2 = 0 + -0.01111111111

Combine like terms: 0.01111111111 + -0.01111111111 = 0.00000000000
0.00000000000 + -0.2x + x2 = 0 + -0.01111111111
-0.2x + x2 = 0 + -0.01111111111

Combine like terms: 0 + -0.01111111111 = -0.01111111111
-0.2x + x2 = -0.01111111111

The x term is -0.2x.  Take half its coefficient (-0.1).
Square it (0.01) and add it to both sides.

Add '0.01' to each side of the equation.
-0.2x + 0.01 + x2 = -0.01111111111 + 0.01

Reorder the terms:
0.01 + -0.2x + x2 = -0.01111111111 + 0.01

Combine like terms: -0.01111111111 + 0.01 = -0.00111111111
0.01 + -0.2x + x2 = -0.00111111111

Factor a perfect square on the left side:
(x + -0.1)(x + -0.1) = -0.00111111111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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