3x^2-80x+-1150=

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Solution for 3x^2-80x+-1150= equation:


Simplifying
3x2 + -80x + -1150 = 0

Reorder the terms:
-1150 + -80x + 3x2 = 0

Solving
-1150 + -80x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
-383.3333333 + -26.66666667x + x2 = 0

Move the constant term to the right:

Add '383.3333333' to each side of the equation.
-383.3333333 + -26.66666667x + 383.3333333 + x2 = 0 + 383.3333333

Reorder the terms:
-383.3333333 + 383.3333333 + -26.66666667x + x2 = 0 + 383.3333333

Combine like terms: -383.3333333 + 383.3333333 = 0.0000000
0.0000000 + -26.66666667x + x2 = 0 + 383.3333333
-26.66666667x + x2 = 0 + 383.3333333

Combine like terms: 0 + 383.3333333 = 383.3333333
-26.66666667x + x2 = 383.3333333

The x term is -26.66666667x.  Take half its coefficient (-13.33333334).
Square it (177.7777780) and add it to both sides.

Add '177.7777780' to each side of the equation.
-26.66666667x + 177.7777780 + x2 = 383.3333333 + 177.7777780

Reorder the terms:
177.7777780 + -26.66666667x + x2 = 383.3333333 + 177.7777780

Combine like terms: 383.3333333 + 177.7777780 = 561.1111113
177.7777780 + -26.66666667x + x2 = 561.1111113

Factor a perfect square on the left side:
(x + -13.33333334)(x + -13.33333334) = 561.1111113

Calculate the square root of the right side: 23.68778401

Break this problem into two subproblems by setting 
(x + -13.33333334) equal to 23.68778401 and -23.68778401.

Subproblem 1

x + -13.33333334 = 23.68778401 Simplifying x + -13.33333334 = 23.68778401 Reorder the terms: -13.33333334 + x = 23.68778401 Solving -13.33333334 + x = 23.68778401 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13.33333334' to each side of the equation. -13.33333334 + 13.33333334 + x = 23.68778401 + 13.33333334 Combine like terms: -13.33333334 + 13.33333334 = 0.00000000 0.00000000 + x = 23.68778401 + 13.33333334 x = 23.68778401 + 13.33333334 Combine like terms: 23.68778401 + 13.33333334 = 37.02111735 x = 37.02111735 Simplifying x = 37.02111735

Subproblem 2

x + -13.33333334 = -23.68778401 Simplifying x + -13.33333334 = -23.68778401 Reorder the terms: -13.33333334 + x = -23.68778401 Solving -13.33333334 + x = -23.68778401 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13.33333334' to each side of the equation. -13.33333334 + 13.33333334 + x = -23.68778401 + 13.33333334 Combine like terms: -13.33333334 + 13.33333334 = 0.00000000 0.00000000 + x = -23.68778401 + 13.33333334 x = -23.68778401 + 13.33333334 Combine like terms: -23.68778401 + 13.33333334 = -10.35445067 x = -10.35445067 Simplifying x = -10.35445067

Solution

The solution to the problem is based on the solutions from the subproblems. x = {37.02111735, -10.35445067}

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