x(x-3)=1175

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Solution for x(x-3)=1175 equation:


Simplifying
x(x + -3) = 1175

Reorder the terms:
x(-3 + x) = 1175
(-3 * x + x * x) = 1175
(-3x + x2) = 1175

Solving
-3x + x2 = 1175

Solving for variable 'x'.

Reorder the terms:
-1175 + -3x + x2 = 1175 + -1175

Combine like terms: 1175 + -1175 = 0
-1175 + -3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '1175' to each side of the equation.
-1175 + -3x + 1175 + x2 = 0 + 1175

Reorder the terms:
-1175 + 1175 + -3x + x2 = 0 + 1175

Combine like terms: -1175 + 1175 = 0
0 + -3x + x2 = 0 + 1175
-3x + x2 = 0 + 1175

Combine like terms: 0 + 1175 = 1175
-3x + x2 = 1175

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 = 1175 + 2.25

Reorder the terms:
2.25 + -3x + x2 = 1175 + 2.25

Combine like terms: 1175 + 2.25 = 1177.25
2.25 + -3x + x2 = 1177.25

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 1177.25

Calculate the square root of the right side: 34.311076929

Break this problem into two subproblems by setting 
(x + -1.5) equal to 34.311076929 and -34.311076929.

Subproblem 1

x + -1.5 = 34.311076929 Simplifying x + -1.5 = 34.311076929 Reorder the terms: -1.5 + x = 34.311076929 Solving -1.5 + x = 34.311076929 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 = 34.311076929 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 34.311076929 + 1.5 x = 34.311076929 + 1.5 Combine like terms: 34.311076929 + 1.5 = 35.811076929 x = 35.811076929 Simplifying x = 35.811076929

Subproblem 2

x + -1.5 = -34.311076929 Simplifying x + -1.5 = -34.311076929 Reorder the terms: -1.5 + x = -34.311076929 Solving -1.5 + x = -34.311076929 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 = -34.311076929 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -34.311076929 + 1.5 x = -34.311076929 + 1.5 Combine like terms: -34.311076929 + 1.5 = -32.811076929 x = -32.811076929 Simplifying x = -32.811076929

Solution

The solution to the problem is based on the solutions from the subproblems. x = {35.811076929, -32.811076929}

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