16x^2-35x-3=0

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Solution for 16x^2-35x-3=0 equation:


Simplifying
16x2 + -35x + -3 = 0

Reorder the terms:
-3 + -35x + 16x2 = 0

Solving
-3 + -35x + 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'.
-0.1875 + -2.1875x + x2 = 0

Move the constant term to the right:

Add '0.1875' to each side of the equation.
-0.1875 + -2.1875x + 0.1875 + x2 = 0 + 0.1875

Reorder the terms:
-0.1875 + 0.1875 + -2.1875x + x2 = 0 + 0.1875

Combine like terms: -0.1875 + 0.1875 = 0.0000
0.0000 + -2.1875x + x2 = 0 + 0.1875
-2.1875x + x2 = 0 + 0.1875

Combine like terms: 0 + 0.1875 = 0.1875
-2.1875x + x2 = 0.1875

The x term is -2.1875x.  Take half its coefficient (-1.09375).
Square it (1.196289063) and add it to both sides.

Add '1.196289063' to each side of the equation.
-2.1875x + 1.196289063 + x2 = 0.1875 + 1.196289063

Reorder the terms:
1.196289063 + -2.1875x + x2 = 0.1875 + 1.196289063

Combine like terms: 0.1875 + 1.196289063 = 1.383789063
1.196289063 + -2.1875x + x2 = 1.383789063

Factor a perfect square on the left side:
(x + -1.09375)(x + -1.09375) = 1.383789063

Calculate the square root of the right side: 1.176345639

Break this problem into two subproblems by setting 
(x + -1.09375) equal to 1.176345639 and -1.176345639.

Subproblem 1

x + -1.09375 = 1.176345639 Simplifying x + -1.09375 = 1.176345639 Reorder the terms: -1.09375 + x = 1.176345639 Solving -1.09375 + x = 1.176345639 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.09375' to each side of the equation. -1.09375 + 1.09375 + x = 1.176345639 + 1.09375 Combine like terms: -1.09375 + 1.09375 = 0.00000 0.00000 + x = 1.176345639 + 1.09375 x = 1.176345639 + 1.09375 Combine like terms: 1.176345639 + 1.09375 = 2.270095639 x = 2.270095639 Simplifying x = 2.270095639

Subproblem 2

x + -1.09375 = -1.176345639 Simplifying x + -1.09375 = -1.176345639 Reorder the terms: -1.09375 + x = -1.176345639 Solving -1.09375 + x = -1.176345639 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.09375' to each side of the equation. -1.09375 + 1.09375 + x = -1.176345639 + 1.09375 Combine like terms: -1.09375 + 1.09375 = 0.00000 0.00000 + x = -1.176345639 + 1.09375 x = -1.176345639 + 1.09375 Combine like terms: -1.176345639 + 1.09375 = -0.082595639 x = -0.082595639 Simplifying x = -0.082595639

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.270095639, -0.082595639}

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