45(x^2)-1=56x

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Solution for 45(x^2)-1=56x equation:


Simplifying
45(x2) + -1 = 56x

Reorder the terms:
-1 + 45x2 = 56x

Solving
-1 + 45x2 = 56x

Solving for variable 'x'.

Reorder the terms:
-1 + -56x + 45x2 = 56x + -56x

Combine like terms: 56x + -56x = 0
-1 + -56x + 45x2 = 0

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

Divide each side by '45'.
-0.02222222222 + -1.244444444x + x2 = 0

Move the constant term to the right:

Add '0.02222222222' to each side of the equation.
-0.02222222222 + -1.244444444x + 0.02222222222 + x2 = 0 + 0.02222222222

Reorder the terms:
-0.02222222222 + 0.02222222222 + -1.244444444x + x2 = 0 + 0.02222222222

Combine like terms: -0.02222222222 + 0.02222222222 = 0.00000000000
0.00000000000 + -1.244444444x + x2 = 0 + 0.02222222222
-1.244444444x + x2 = 0 + 0.02222222222

Combine like terms: 0 + 0.02222222222 = 0.02222222222
-1.244444444x + x2 = 0.02222222222

The x term is -1.244444444x.  Take half its coefficient (-0.622222222).
Square it (0.3871604936) and add it to both sides.

Add '0.3871604936' to each side of the equation.
-1.244444444x + 0.3871604936 + x2 = 0.02222222222 + 0.3871604936

Reorder the terms:
0.3871604936 + -1.244444444x + x2 = 0.02222222222 + 0.3871604936

Combine like terms: 0.02222222222 + 0.3871604936 = 0.40938271582
0.3871604936 + -1.244444444x + x2 = 0.40938271582

Factor a perfect square on the left side:
(x + -0.622222222)(x + -0.622222222) = 0.40938271582

Calculate the square root of the right side: 0.639830224

Break this problem into two subproblems by setting 
(x + -0.622222222) equal to 0.639830224 and -0.639830224.

Subproblem 1

x + -0.622222222 = 0.639830224 Simplifying x + -0.622222222 = 0.639830224 Reorder the terms: -0.622222222 + x = 0.639830224 Solving -0.622222222 + x = 0.639830224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.622222222' to each side of the equation. -0.622222222 + 0.622222222 + x = 0.639830224 + 0.622222222 Combine like terms: -0.622222222 + 0.622222222 = 0.000000000 0.000000000 + x = 0.639830224 + 0.622222222 x = 0.639830224 + 0.622222222 Combine like terms: 0.639830224 + 0.622222222 = 1.262052446 x = 1.262052446 Simplifying x = 1.262052446

Subproblem 2

x + -0.622222222 = -0.639830224 Simplifying x + -0.622222222 = -0.639830224 Reorder the terms: -0.622222222 + x = -0.639830224 Solving -0.622222222 + x = -0.639830224 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.622222222' to each side of the equation. -0.622222222 + 0.622222222 + x = -0.639830224 + 0.622222222 Combine like terms: -0.622222222 + 0.622222222 = 0.000000000 0.000000000 + x = -0.639830224 + 0.622222222 x = -0.639830224 + 0.622222222 Combine like terms: -0.639830224 + 0.622222222 = -0.017608002 x = -0.017608002 Simplifying x = -0.017608002

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.262052446, -0.017608002}

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