.07x+0.05x(6-x)=.10(55)

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Solution for .07x+0.05x(6-x)=.10(55) equation:


Simplifying
0.07x + 0.05x(6 + -1x) = 0.10(55)
0.07x + (6 * 0.05x + -1x * 0.05x) = 0.10(55)
0.07x + (0.3x + -0.05x2) = 0.10(55)

Combine like terms: 0.07x + 0.3x = 0.37x
0.37x + -0.05x2 = 0.10(55)

Multiply 0.10 * 55
0.37x + -0.05x2 = 5.5

Solving
0.37x + -0.05x2 = 5.5

Solving for variable 'x'.

Reorder the terms:
-5.5 + 0.37x + -0.05x2 = 5.5 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
-5.5 + 0.37x + -0.05x2 = 0.0

Begin completing the square.  Divide all terms by
-0.05 the coefficient of the squared term: 

Divide each side by '-0.05'.
110 + -7.4x + x2 = 0

Move the constant term to the right:

Add '-110' to each side of the equation.
110 + -7.4x + -110 + x2 = 0 + -110

Reorder the terms:
110 + -110 + -7.4x + x2 = 0 + -110

Combine like terms: 110 + -110 = 0
0 + -7.4x + x2 = 0 + -110
-7.4x + x2 = 0 + -110

Combine like terms: 0 + -110 = -110
-7.4x + x2 = -110

The x term is -7.4x.  Take half its coefficient (-3.7).
Square it (13.69) and add it to both sides.

Add '13.69' to each side of the equation.
-7.4x + 13.69 + x2 = -110 + 13.69

Reorder the terms:
13.69 + -7.4x + x2 = -110 + 13.69

Combine like terms: -110 + 13.69 = -96.31
13.69 + -7.4x + x2 = -96.31

Factor a perfect square on the left side:
(x + -3.7)(x + -3.7) = -96.31

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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