3x^2-22x=24

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Solution for 3x^2-22x=24 equation:


Simplifying
3x2 + -22x = 24

Reorder the terms:
-22x + 3x2 = 24

Solving
-22x + 3x2 = 24

Solving for variable 'x'.

Reorder the terms:
-24 + -22x + 3x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + -22x + 3x2 = 0

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

Divide each side by '3'.
-8 + -7.333333333x + x2 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + -7.333333333x + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + -7.333333333x + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -7.333333333x + x2 = 0 + 8
-7.333333333x + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
-7.333333333x + x2 = 8

The x term is -7.333333333x.  Take half its coefficient (-3.666666667).
Square it (13.44444445) and add it to both sides.

Add '13.44444445' to each side of the equation.
-7.333333333x + 13.44444445 + x2 = 8 + 13.44444445

Reorder the terms:
13.44444445 + -7.333333333x + x2 = 8 + 13.44444445

Combine like terms: 8 + 13.44444445 = 21.44444445
13.44444445 + -7.333333333x + x2 = 21.44444445

Factor a perfect square on the left side:
(x + -3.666666667)(x + -3.666666667) = 21.44444445

Calculate the square root of the right side: 4.630814664

Break this problem into two subproblems by setting 
(x + -3.666666667) equal to 4.630814664 and -4.630814664.

Subproblem 1

x + -3.666666667 = 4.630814664 Simplifying x + -3.666666667 = 4.630814664 Reorder the terms: -3.666666667 + x = 4.630814664 Solving -3.666666667 + x = 4.630814664 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.666666667' to each side of the equation. -3.666666667 + 3.666666667 + x = 4.630814664 + 3.666666667 Combine like terms: -3.666666667 + 3.666666667 = 0.000000000 0.000000000 + x = 4.630814664 + 3.666666667 x = 4.630814664 + 3.666666667 Combine like terms: 4.630814664 + 3.666666667 = 8.297481331 x = 8.297481331 Simplifying x = 8.297481331

Subproblem 2

x + -3.666666667 = -4.630814664 Simplifying x + -3.666666667 = -4.630814664 Reorder the terms: -3.666666667 + x = -4.630814664 Solving -3.666666667 + x = -4.630814664 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.666666667' to each side of the equation. -3.666666667 + 3.666666667 + x = -4.630814664 + 3.666666667 Combine like terms: -3.666666667 + 3.666666667 = 0.000000000 0.000000000 + x = -4.630814664 + 3.666666667 x = -4.630814664 + 3.666666667 Combine like terms: -4.630814664 + 3.666666667 = -0.964147997 x = -0.964147997 Simplifying x = -0.964147997

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.297481331, -0.964147997}

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