x^2+3x-600=0

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Solution for x^2+3x-600=0 equation:


Simplifying
x2 + 3x + -600 = 0

Reorder the terms:
-600 + 3x + x2 = 0

Solving
-600 + 3x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '600' to each side of the equation.
-600 + 3x + 600 + x2 = 0 + 600

Reorder the terms:
-600 + 600 + 3x + x2 = 0 + 600

Combine like terms: -600 + 600 = 0
0 + 3x + x2 = 0 + 600
3x + x2 = 0 + 600

Combine like terms: 0 + 600 = 600
3x + x2 = 600

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 600 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 600 + 2.25

Combine like terms: 600 + 2.25 = 602.25
2.25 + 3x + x2 = 602.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 602.25

Calculate the square root of the right side: 24.540782384

Break this problem into two subproblems by setting 
(x + 1.5) equal to 24.540782384 and -24.540782384.

Subproblem 1

x + 1.5 = 24.540782384 Simplifying x + 1.5 = 24.540782384 Reorder the terms: 1.5 + x = 24.540782384 Solving 1.5 + x = 24.540782384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 24.540782384 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 24.540782384 + -1.5 x = 24.540782384 + -1.5 Combine like terms: 24.540782384 + -1.5 = 23.040782384 x = 23.040782384 Simplifying x = 23.040782384

Subproblem 2

x + 1.5 = -24.540782384 Simplifying x + 1.5 = -24.540782384 Reorder the terms: 1.5 + x = -24.540782384 Solving 1.5 + x = -24.540782384 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -24.540782384 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -24.540782384 + -1.5 x = -24.540782384 + -1.5 Combine like terms: -24.540782384 + -1.5 = -26.040782384 x = -26.040782384 Simplifying x = -26.040782384

Solution

The solution to the problem is based on the solutions from the subproblems. x = {23.040782384, -26.040782384}

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