1.5x^2=4.75x-2.3

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Solution for 1.5x^2=4.75x-2.3 equation:


Simplifying
1.5x2 = 4.75x + -2.3

Reorder the terms:
1.5x2 = -2.3 + 4.75x

Solving
1.5x2 = -2.3 + 4.75x

Solving for variable 'x'.

Reorder the terms:
2.3 + -4.75x + 1.5x2 = -2.3 + 4.75x + 2.3 + -4.75x

Reorder the terms:
2.3 + -4.75x + 1.5x2 = -2.3 + 2.3 + 4.75x + -4.75x

Combine like terms: -2.3 + 2.3 = 0.0
2.3 + -4.75x + 1.5x2 = 0.0 + 4.75x + -4.75x
2.3 + -4.75x + 1.5x2 = 4.75x + -4.75x

Combine like terms: 4.75x + -4.75x = 0.00
2.3 + -4.75x + 1.5x2 = 0.00

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

Divide each side by '1.5'.
1.533333333 + -3.166666667x + x2 = 0.0

Move the constant term to the right:

Add '-1.533333333' to each side of the equation.
1.533333333 + -3.166666667x + -1.533333333 + x2 = 0.0 + -1.533333333

Reorder the terms:
1.533333333 + -1.533333333 + -3.166666667x + x2 = 0.0 + -1.533333333

Combine like terms: 1.533333333 + -1.533333333 = 0.000000000
0.000000000 + -3.166666667x + x2 = 0.0 + -1.533333333
-3.166666667x + x2 = 0.0 + -1.533333333

Combine like terms: 0.0 + -1.533333333 = -1.533333333
-3.166666667x + x2 = -1.533333333

The x term is -3.166666667x.  Take half its coefficient (-1.583333334).
Square it (2.506944447) and add it to both sides.

Add '2.506944447' to each side of the equation.
-3.166666667x + 2.506944447 + x2 = -1.533333333 + 2.506944447

Reorder the terms:
2.506944447 + -3.166666667x + x2 = -1.533333333 + 2.506944447

Combine like terms: -1.533333333 + 2.506944447 = 0.973611114
2.506944447 + -3.166666667x + x2 = 0.973611114

Factor a perfect square on the left side:
(x + -1.583333334)(x + -1.583333334) = 0.973611114

Calculate the square root of the right side: 0.986717343

Break this problem into two subproblems by setting 
(x + -1.583333334) equal to 0.986717343 and -0.986717343.

Subproblem 1

x + -1.583333334 = 0.986717343 Simplifying x + -1.583333334 = 0.986717343 Reorder the terms: -1.583333334 + x = 0.986717343 Solving -1.583333334 + x = 0.986717343 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.583333334' to each side of the equation. -1.583333334 + 1.583333334 + x = 0.986717343 + 1.583333334 Combine like terms: -1.583333334 + 1.583333334 = 0.000000000 0.000000000 + x = 0.986717343 + 1.583333334 x = 0.986717343 + 1.583333334 Combine like terms: 0.986717343 + 1.583333334 = 2.570050677 x = 2.570050677 Simplifying x = 2.570050677

Subproblem 2

x + -1.583333334 = -0.986717343 Simplifying x + -1.583333334 = -0.986717343 Reorder the terms: -1.583333334 + x = -0.986717343 Solving -1.583333334 + x = -0.986717343 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.583333334' to each side of the equation. -1.583333334 + 1.583333334 + x = -0.986717343 + 1.583333334 Combine like terms: -1.583333334 + 1.583333334 = 0.000000000 0.000000000 + x = -0.986717343 + 1.583333334 x = -0.986717343 + 1.583333334 Combine like terms: -0.986717343 + 1.583333334 = 0.596615991 x = 0.596615991 Simplifying x = 0.596615991

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.570050677, 0.596615991}

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