-4x^2+305x-600=0

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Solution for -4x^2+305x-600=0 equation:


Simplifying
-4x2 + 305x + -600 = 0

Reorder the terms:
-600 + 305x + -4x2 = 0

Solving
-600 + 305x + -4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
150 + -76.25x + x2 = 0

Move the constant term to the right:

Add '-150' to each side of the equation.
150 + -76.25x + -150 + x2 = 0 + -150

Reorder the terms:
150 + -150 + -76.25x + x2 = 0 + -150

Combine like terms: 150 + -150 = 0
0 + -76.25x + x2 = 0 + -150
-76.25x + x2 = 0 + -150

Combine like terms: 0 + -150 = -150
-76.25x + x2 = -150

The x term is -76.25x.  Take half its coefficient (-38.125).
Square it (1453.515625) and add it to both sides.

Add '1453.515625' to each side of the equation.
-76.25x + 1453.515625 + x2 = -150 + 1453.515625

Reorder the terms:
1453.515625 + -76.25x + x2 = -150 + 1453.515625

Combine like terms: -150 + 1453.515625 = 1303.515625
1453.515625 + -76.25x + x2 = 1303.515625

Factor a perfect square on the left side:
(x + -38.125)(x + -38.125) = 1303.515625

Calculate the square root of the right side: 36.104232785

Break this problem into two subproblems by setting 
(x + -38.125) equal to 36.104232785 and -36.104232785.

Subproblem 1

x + -38.125 = 36.104232785 Simplifying x + -38.125 = 36.104232785 Reorder the terms: -38.125 + x = 36.104232785 Solving -38.125 + x = 36.104232785 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '38.125' to each side of the equation. -38.125 + 38.125 + x = 36.104232785 + 38.125 Combine like terms: -38.125 + 38.125 = 0.000 0.000 + x = 36.104232785 + 38.125 x = 36.104232785 + 38.125 Combine like terms: 36.104232785 + 38.125 = 74.229232785 x = 74.229232785 Simplifying x = 74.229232785

Subproblem 2

x + -38.125 = -36.104232785 Simplifying x + -38.125 = -36.104232785 Reorder the terms: -38.125 + x = -36.104232785 Solving -38.125 + x = -36.104232785 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '38.125' to each side of the equation. -38.125 + 38.125 + x = -36.104232785 + 38.125 Combine like terms: -38.125 + 38.125 = 0.000 0.000 + x = -36.104232785 + 38.125 x = -36.104232785 + 38.125 Combine like terms: -36.104232785 + 38.125 = 2.020767215 x = 2.020767215 Simplifying x = 2.020767215

Solution

The solution to the problem is based on the solutions from the subproblems. x = {74.229232785, 2.020767215}

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