2x^2-3x=62

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Solution for 2x^2-3x=62 equation:


Simplifying
2x2 + -3x = 62

Reorder the terms:
-3x + 2x2 = 62

Solving
-3x + 2x2 = 62

Solving for variable 'x'.

Reorder the terms:
-62 + -3x + 2x2 = 62 + -62

Combine like terms: 62 + -62 = 0
-62 + -3x + 2x2 = 0

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

Divide each side by '2'.
-31 + -1.5x + x2 = 0

Move the constant term to the right:

Add '31' to each side of the equation.
-31 + -1.5x + 31 + x2 = 0 + 31

Reorder the terms:
-31 + 31 + -1.5x + x2 = 0 + 31

Combine like terms: -31 + 31 = 0
0 + -1.5x + x2 = 0 + 31
-1.5x + x2 = 0 + 31

Combine like terms: 0 + 31 = 31
-1.5x + x2 = 31

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = 31 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 31 + 0.5625

Combine like terms: 31 + 0.5625 = 31.5625
0.5625 + -1.5x + x2 = 31.5625

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 31.5625

Calculate the square root of the right side: 5.618051264

Break this problem into two subproblems by setting 
(x + -0.75) equal to 5.618051264 and -5.618051264.

Subproblem 1

x + -0.75 = 5.618051264 Simplifying x + -0.75 = 5.618051264 Reorder the terms: -0.75 + x = 5.618051264 Solving -0.75 + x = 5.618051264 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 5.618051264 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 5.618051264 + 0.75 x = 5.618051264 + 0.75 Combine like terms: 5.618051264 + 0.75 = 6.368051264 x = 6.368051264 Simplifying x = 6.368051264

Subproblem 2

x + -0.75 = -5.618051264 Simplifying x + -0.75 = -5.618051264 Reorder the terms: -0.75 + x = -5.618051264 Solving -0.75 + x = -5.618051264 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -5.618051264 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -5.618051264 + 0.75 x = -5.618051264 + 0.75 Combine like terms: -5.618051264 + 0.75 = -4.868051264 x = -4.868051264 Simplifying x = -4.868051264

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.368051264, -4.868051264}

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