0=-9x^2+295x+1000

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Solution for 0=-9x^2+295x+1000 equation:


Simplifying
0 = -9x2 + 295x + 1000

Reorder the terms:
0 = 1000 + 295x + -9x2

Solving
0 = 1000 + 295x + -9x2

Solving for variable 'x'.

Combine like terms: 0 + -1000 = -1000
-1000 + -295x + 9x2 = 1000 + 295x + -9x2 + -1000 + -295x + 9x2

Reorder the terms:
-1000 + -295x + 9x2 = 1000 + -1000 + 295x + -295x + -9x2 + 9x2

Combine like terms: 1000 + -1000 = 0
-1000 + -295x + 9x2 = 0 + 295x + -295x + -9x2 + 9x2
-1000 + -295x + 9x2 = 295x + -295x + -9x2 + 9x2

Combine like terms: 295x + -295x = 0
-1000 + -295x + 9x2 = 0 + -9x2 + 9x2
-1000 + -295x + 9x2 = -9x2 + 9x2

Combine like terms: -9x2 + 9x2 = 0
-1000 + -295x + 9x2 = 0

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

Divide each side by '9'.
-111.1111111 + -32.77777778x + x2 = 0

Move the constant term to the right:

Add '111.1111111' to each side of the equation.
-111.1111111 + -32.77777778x + 111.1111111 + x2 = 0 + 111.1111111

Reorder the terms:
-111.1111111 + 111.1111111 + -32.77777778x + x2 = 0 + 111.1111111

Combine like terms: -111.1111111 + 111.1111111 = 0.0000000
0.0000000 + -32.77777778x + x2 = 0 + 111.1111111
-32.77777778x + x2 = 0 + 111.1111111

Combine like terms: 0 + 111.1111111 = 111.1111111
-32.77777778x + x2 = 111.1111111

The x term is -32.77777778x.  Take half its coefficient (-16.38888889).
Square it (268.5956790) and add it to both sides.

Add '268.5956790' to each side of the equation.
-32.77777778x + 268.5956790 + x2 = 111.1111111 + 268.5956790

Reorder the terms:
268.5956790 + -32.77777778x + x2 = 111.1111111 + 268.5956790

Combine like terms: 111.1111111 + 268.5956790 = 379.7067901
268.5956790 + -32.77777778x + x2 = 379.7067901

Factor a perfect square on the left side:
(x + -16.38888889)(x + -16.38888889) = 379.7067901

Calculate the square root of the right side: 19.486066563

Break this problem into two subproblems by setting 
(x + -16.38888889) equal to 19.486066563 and -19.486066563.

Subproblem 1

x + -16.38888889 = 19.486066563 Simplifying x + -16.38888889 = 19.486066563 Reorder the terms: -16.38888889 + x = 19.486066563 Solving -16.38888889 + x = 19.486066563 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16.38888889' to each side of the equation. -16.38888889 + 16.38888889 + x = 19.486066563 + 16.38888889 Combine like terms: -16.38888889 + 16.38888889 = 0.00000000 0.00000000 + x = 19.486066563 + 16.38888889 x = 19.486066563 + 16.38888889 Combine like terms: 19.486066563 + 16.38888889 = 35.874955453 x = 35.874955453 Simplifying x = 35.874955453

Subproblem 2

x + -16.38888889 = -19.486066563 Simplifying x + -16.38888889 = -19.486066563 Reorder the terms: -16.38888889 + x = -19.486066563 Solving -16.38888889 + x = -19.486066563 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16.38888889' to each side of the equation. -16.38888889 + 16.38888889 + x = -19.486066563 + 16.38888889 Combine like terms: -16.38888889 + 16.38888889 = 0.00000000 0.00000000 + x = -19.486066563 + 16.38888889 x = -19.486066563 + 16.38888889 Combine like terms: -19.486066563 + 16.38888889 = -3.097177673 x = -3.097177673 Simplifying x = -3.097177673

Solution

The solution to the problem is based on the solutions from the subproblems. x = {35.874955453, -3.097177673}

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