3x+14-3x^2=0

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Solution for 3x+14-3x^2=0 equation:


Simplifying
3x + 14 + -3x2 = 0

Reorder the terms:
14 + 3x + -3x2 = 0

Solving
14 + 3x + -3x2 = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
-4.666666667 + -1x + x2 = 0

Move the constant term to the right:

Add '4.666666667' to each side of the equation.
-4.666666667 + -1x + 4.666666667 + x2 = 0 + 4.666666667

Reorder the terms:
-4.666666667 + 4.666666667 + -1x + x2 = 0 + 4.666666667

Combine like terms: -4.666666667 + 4.666666667 = 0.000000000
0.000000000 + -1x + x2 = 0 + 4.666666667
-1x + x2 = 0 + 4.666666667

Combine like terms: 0 + 4.666666667 = 4.666666667
-1x + x2 = 4.666666667

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 4.666666667 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 4.666666667 + 0.25

Combine like terms: 4.666666667 + 0.25 = 4.916666667
0.25 + -1x + x2 = 4.916666667

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 4.916666667

Calculate the square root of the right side: 2.217355783

Break this problem into two subproblems by setting 
(x + -0.5) equal to 2.217355783 and -2.217355783.

Subproblem 1

x + -0.5 = 2.217355783 Simplifying x + -0.5 = 2.217355783 Reorder the terms: -0.5 + x = 2.217355783 Solving -0.5 + x = 2.217355783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 2.217355783 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 2.217355783 + 0.5 x = 2.217355783 + 0.5 Combine like terms: 2.217355783 + 0.5 = 2.717355783 x = 2.717355783 Simplifying x = 2.717355783

Subproblem 2

x + -0.5 = -2.217355783 Simplifying x + -0.5 = -2.217355783 Reorder the terms: -0.5 + x = -2.217355783 Solving -0.5 + x = -2.217355783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -2.217355783 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -2.217355783 + 0.5 x = -2.217355783 + 0.5 Combine like terms: -2.217355783 + 0.5 = -1.717355783 x = -1.717355783 Simplifying x = -1.717355783

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.717355783, -1.717355783}

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