0.3x^2-15x+94=0

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Solution for 0.3x^2-15x+94=0 equation:


Simplifying
0.3x2 + -15x + 94 = 0

Reorder the terms:
94 + -15x + 0.3x2 = 0

Solving
94 + -15x + 0.3x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.3'.
313.3333333 + -50x + x2 = 0

Move the constant term to the right:

Add '-313.3333333' to each side of the equation.
313.3333333 + -50x + -313.3333333 + x2 = 0 + -313.3333333

Reorder the terms:
313.3333333 + -313.3333333 + -50x + x2 = 0 + -313.3333333

Combine like terms: 313.3333333 + -313.3333333 = 0.0000000
0.0000000 + -50x + x2 = 0 + -313.3333333
-50x + x2 = 0 + -313.3333333

Combine like terms: 0 + -313.3333333 = -313.3333333
-50x + x2 = -313.3333333

The x term is -50x.  Take half its coefficient (-25).
Square it (625) and add it to both sides.

Add '625' to each side of the equation.
-50x + 625 + x2 = -313.3333333 + 625

Reorder the terms:
625 + -50x + x2 = -313.3333333 + 625

Combine like terms: -313.3333333 + 625 = 311.6666667
625 + -50x + x2 = 311.6666667

Factor a perfect square on the left side:
(x + -25)(x + -25) = 311.6666667

Calculate the square root of the right side: 17.65408357

Break this problem into two subproblems by setting 
(x + -25) equal to 17.65408357 and -17.65408357.

Subproblem 1

x + -25 = 17.65408357 Simplifying x + -25 = 17.65408357 Reorder the terms: -25 + x = 17.65408357 Solving -25 + x = 17.65408357 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + x = 17.65408357 + 25 Combine like terms: -25 + 25 = 0 0 + x = 17.65408357 + 25 x = 17.65408357 + 25 Combine like terms: 17.65408357 + 25 = 42.65408357 x = 42.65408357 Simplifying x = 42.65408357

Subproblem 2

x + -25 = -17.65408357 Simplifying x + -25 = -17.65408357 Reorder the terms: -25 + x = -17.65408357 Solving -25 + x = -17.65408357 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + x = -17.65408357 + 25 Combine like terms: -25 + 25 = 0 0 + x = -17.65408357 + 25 x = -17.65408357 + 25 Combine like terms: -17.65408357 + 25 = 7.34591643 x = 7.34591643 Simplifying x = 7.34591643

Solution

The solution to the problem is based on the solutions from the subproblems. x = {42.65408357, 7.34591643}

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