-0.08x^2+2.88x=14

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Solution for -0.08x^2+2.88x=14 equation:


Simplifying
-0.08x2 + 2.88x = 14

Reorder the terms:
2.88x + -0.08x2 = 14

Solving
2.88x + -0.08x2 = 14

Solving for variable 'x'.

Reorder the terms:
-14 + 2.88x + -0.08x2 = 14 + -14

Combine like terms: 14 + -14 = 0
-14 + 2.88x + -0.08x2 = 0

Begin completing the square.  Divide all terms by
-0.08 the coefficient of the squared term: 

Divide each side by '-0.08'.
175 + -36x + x2 = 0

Move the constant term to the right:

Add '-175' to each side of the equation.
175 + -36x + -175 + x2 = 0 + -175

Reorder the terms:
175 + -175 + -36x + x2 = 0 + -175

Combine like terms: 175 + -175 = 0
0 + -36x + x2 = 0 + -175
-36x + x2 = 0 + -175

Combine like terms: 0 + -175 = -175
-36x + x2 = -175

The x term is -36x.  Take half its coefficient (-18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
-36x + 324 + x2 = -175 + 324

Reorder the terms:
324 + -36x + x2 = -175 + 324

Combine like terms: -175 + 324 = 149
324 + -36x + x2 = 149

Factor a perfect square on the left side:
(x + -18)(x + -18) = 149

Calculate the square root of the right side: 12.206555616

Break this problem into two subproblems by setting 
(x + -18) equal to 12.206555616 and -12.206555616.

Subproblem 1

x + -18 = 12.206555616 Simplifying x + -18 = 12.206555616 Reorder the terms: -18 + x = 12.206555616 Solving -18 + x = 12.206555616 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = 12.206555616 + 18 Combine like terms: -18 + 18 = 0 0 + x = 12.206555616 + 18 x = 12.206555616 + 18 Combine like terms: 12.206555616 + 18 = 30.206555616 x = 30.206555616 Simplifying x = 30.206555616

Subproblem 2

x + -18 = -12.206555616 Simplifying x + -18 = -12.206555616 Reorder the terms: -18 + x = -12.206555616 Solving -18 + x = -12.206555616 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + x = -12.206555616 + 18 Combine like terms: -18 + 18 = 0 0 + x = -12.206555616 + 18 x = -12.206555616 + 18 Combine like terms: -12.206555616 + 18 = 5.793444384 x = 5.793444384 Simplifying x = 5.793444384

Solution

The solution to the problem is based on the solutions from the subproblems. x = {30.206555616, 5.793444384}

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