40x^2-3x+2=0

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Solution for 40x^2-3x+2=0 equation:


Simplifying
40x2 + -3x + 2 = 0

Reorder the terms:
2 + -3x + 40x2 = 0

Solving
2 + -3x + 40x2 = 0

Solving for variable 'x'.

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

Divide each side by '40'.
0.05 + -0.075x + x2 = 0

Move the constant term to the right:

Add '-0.05' to each side of the equation.
0.05 + -0.075x + -0.05 + x2 = 0 + -0.05

Reorder the terms:
0.05 + -0.05 + -0.075x + x2 = 0 + -0.05

Combine like terms: 0.05 + -0.05 = 0.00
0.00 + -0.075x + x2 = 0 + -0.05
-0.075x + x2 = 0 + -0.05

Combine like terms: 0 + -0.05 = -0.05
-0.075x + x2 = -0.05

The x term is -0.075x.  Take half its coefficient (-0.0375).
Square it (0.00140625) and add it to both sides.

Add '0.00140625' to each side of the equation.
-0.075x + 0.00140625 + x2 = -0.05 + 0.00140625

Reorder the terms:
0.00140625 + -0.075x + x2 = -0.05 + 0.00140625

Combine like terms: -0.05 + 0.00140625 = -0.04859375
0.00140625 + -0.075x + x2 = -0.04859375

Factor a perfect square on the left side:
(x + -0.0375)(x + -0.0375) = -0.04859375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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