16x^2+3x-22=0

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Solution for 16x^2+3x-22=0 equation:


Simplifying
16x2 + 3x + -22 = 0

Reorder the terms:
-22 + 3x + 16x2 = 0

Solving
-22 + 3x + 16x2 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
-1.375 + 0.1875x + x2 = 0

Move the constant term to the right:

Add '1.375' to each side of the equation.
-1.375 + 0.1875x + 1.375 + x2 = 0 + 1.375

Reorder the terms:
-1.375 + 1.375 + 0.1875x + x2 = 0 + 1.375

Combine like terms: -1.375 + 1.375 = 0.000
0.000 + 0.1875x + x2 = 0 + 1.375
0.1875x + x2 = 0 + 1.375

Combine like terms: 0 + 1.375 = 1.375
0.1875x + x2 = 1.375

The x term is 0.1875x.  Take half its coefficient (0.09375).
Square it (0.0087890625) and add it to both sides.

Add '0.0087890625' to each side of the equation.
0.1875x + 0.0087890625 + x2 = 1.375 + 0.0087890625

Reorder the terms:
0.0087890625 + 0.1875x + x2 = 1.375 + 0.0087890625

Combine like terms: 1.375 + 0.0087890625 = 1.3837890625
0.0087890625 + 0.1875x + x2 = 1.3837890625

Factor a perfect square on the left side:
(x + 0.09375)(x + 0.09375) = 1.3837890625

Calculate the square root of the right side: 1.176345639

Break this problem into two subproblems by setting 
(x + 0.09375) equal to 1.176345639 and -1.176345639.

Subproblem 1

x + 0.09375 = 1.176345639 Simplifying x + 0.09375 = 1.176345639 Reorder the terms: 0.09375 + x = 1.176345639 Solving 0.09375 + x = 1.176345639 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.09375' to each side of the equation. 0.09375 + -0.09375 + x = 1.176345639 + -0.09375 Combine like terms: 0.09375 + -0.09375 = 0.00000 0.00000 + x = 1.176345639 + -0.09375 x = 1.176345639 + -0.09375 Combine like terms: 1.176345639 + -0.09375 = 1.082595639 x = 1.082595639 Simplifying x = 1.082595639

Subproblem 2

x + 0.09375 = -1.176345639 Simplifying x + 0.09375 = -1.176345639 Reorder the terms: 0.09375 + x = -1.176345639 Solving 0.09375 + x = -1.176345639 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.09375' to each side of the equation. 0.09375 + -0.09375 + x = -1.176345639 + -0.09375 Combine like terms: 0.09375 + -0.09375 = 0.00000 0.00000 + x = -1.176345639 + -0.09375 x = -1.176345639 + -0.09375 Combine like terms: -1.176345639 + -0.09375 = -1.270095639 x = -1.270095639 Simplifying x = -1.270095639

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.082595639, -1.270095639}

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