2x^2+19x=32

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Solution for 2x^2+19x=32 equation:


Simplifying
2x2 + 19x = 32

Reorder the terms:
19x + 2x2 = 32

Solving
19x + 2x2 = 32

Solving for variable 'x'.

Reorder the terms:
-32 + 19x + 2x2 = 32 + -32

Combine like terms: 32 + -32 = 0
-32 + 19x + 2x2 = 0

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

Divide each side by '2'.
-16 + 9.5x + x2 = 0

Move the constant term to the right:

Add '16' to each side of the equation.
-16 + 9.5x + 16 + x2 = 0 + 16

Reorder the terms:
-16 + 16 + 9.5x + x2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 9.5x + x2 = 0 + 16
9.5x + x2 = 0 + 16

Combine like terms: 0 + 16 = 16
9.5x + x2 = 16

The x term is 9.5x.  Take half its coefficient (4.75).
Square it (22.5625) and add it to both sides.

Add '22.5625' to each side of the equation.
9.5x + 22.5625 + x2 = 16 + 22.5625

Reorder the terms:
22.5625 + 9.5x + x2 = 16 + 22.5625

Combine like terms: 16 + 22.5625 = 38.5625
22.5625 + 9.5x + x2 = 38.5625

Factor a perfect square on the left side:
(x + 4.75)(x + 4.75) = 38.5625

Calculate the square root of the right side: 6.209871174

Break this problem into two subproblems by setting 
(x + 4.75) equal to 6.209871174 and -6.209871174.

Subproblem 1

x + 4.75 = 6.209871174 Simplifying x + 4.75 = 6.209871174 Reorder the terms: 4.75 + x = 6.209871174 Solving 4.75 + x = 6.209871174 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.75' to each side of the equation. 4.75 + -4.75 + x = 6.209871174 + -4.75 Combine like terms: 4.75 + -4.75 = 0.00 0.00 + x = 6.209871174 + -4.75 x = 6.209871174 + -4.75 Combine like terms: 6.209871174 + -4.75 = 1.459871174 x = 1.459871174 Simplifying x = 1.459871174

Subproblem 2

x + 4.75 = -6.209871174 Simplifying x + 4.75 = -6.209871174 Reorder the terms: 4.75 + x = -6.209871174 Solving 4.75 + x = -6.209871174 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.75' to each side of the equation. 4.75 + -4.75 + x = -6.209871174 + -4.75 Combine like terms: 4.75 + -4.75 = 0.00 0.00 + x = -6.209871174 + -4.75 x = -6.209871174 + -4.75 Combine like terms: -6.209871174 + -4.75 = -10.959871174 x = -10.959871174 Simplifying x = -10.959871174

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.459871174, -10.959871174}

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