0=.004x^2-.28x+62.5

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Solution for 0=.004x^2-.28x+62.5 equation:


Simplifying
0 = 0.004x2 + -0.28x + 62.5

Reorder the terms:
0 = 62.5 + -0.28x + 0.004x2

Solving
0 = 62.5 + -0.28x + 0.004x2

Solving for variable 'x'.

Combine like terms: 0 + -62.5 = -62.5
-62.5 + 0.28x + -0.004x2 = 62.5 + -0.28x + 0.004x2 + -62.5 + 0.28x + -0.004x2

Reorder the terms:
-62.5 + 0.28x + -0.004x2 = 62.5 + -62.5 + -0.28x + 0.28x + 0.004x2 + -0.004x2

Combine like terms: 62.5 + -62.5 = 0.0
-62.5 + 0.28x + -0.004x2 = 0.0 + -0.28x + 0.28x + 0.004x2 + -0.004x2
-62.5 + 0.28x + -0.004x2 = -0.28x + 0.28x + 0.004x2 + -0.004x2

Combine like terms: -0.28x + 0.28x = 0.00
-62.5 + 0.28x + -0.004x2 = 0.00 + 0.004x2 + -0.004x2
-62.5 + 0.28x + -0.004x2 = 0.004x2 + -0.004x2

Combine like terms: 0.004x2 + -0.004x2 = 0.000
-62.5 + 0.28x + -0.004x2 = 0.000

Begin completing the square.  Divide all terms by
-0.004 the coefficient of the squared term: 

Divide each side by '-0.004'.
15625 + -70x + x2 = 0

Move the constant term to the right:

Add '-15625' to each side of the equation.
15625 + -70x + -15625 + x2 = 0 + -15625

Reorder the terms:
15625 + -15625 + -70x + x2 = 0 + -15625

Combine like terms: 15625 + -15625 = 0
0 + -70x + x2 = 0 + -15625
-70x + x2 = 0 + -15625

Combine like terms: 0 + -15625 = -15625
-70x + x2 = -15625

The x term is -70x.  Take half its coefficient (-35).
Square it (1225) and add it to both sides.

Add '1225' to each side of the equation.
-70x + 1225 + x2 = -15625 + 1225

Reorder the terms:
1225 + -70x + x2 = -15625 + 1225

Combine like terms: -15625 + 1225 = -14400
1225 + -70x + x2 = -14400

Factor a perfect square on the left side:
(x + -35)(x + -35) = -14400

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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