4x^2-35x-414=

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Solution for 4x^2-35x-414= equation:


Simplifying
4x2 + -35x + -414 = 0

Reorder the terms:
-414 + -35x + 4x2 = 0

Solving
-414 + -35x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-103.5 + -8.75x + x2 = 0

Move the constant term to the right:

Add '103.5' to each side of the equation.
-103.5 + -8.75x + 103.5 + x2 = 0 + 103.5

Reorder the terms:
-103.5 + 103.5 + -8.75x + x2 = 0 + 103.5

Combine like terms: -103.5 + 103.5 = 0.0
0.0 + -8.75x + x2 = 0 + 103.5
-8.75x + x2 = 0 + 103.5

Combine like terms: 0 + 103.5 = 103.5
-8.75x + x2 = 103.5

The x term is -8.75x.  Take half its coefficient (-4.375).
Square it (19.140625) and add it to both sides.

Add '19.140625' to each side of the equation.
-8.75x + 19.140625 + x2 = 103.5 + 19.140625

Reorder the terms:
19.140625 + -8.75x + x2 = 103.5 + 19.140625

Combine like terms: 103.5 + 19.140625 = 122.640625
19.140625 + -8.75x + x2 = 122.640625

Factor a perfect square on the left side:
(x + -4.375)(x + -4.375) = 122.640625

Calculate the square root of the right side: 11.074322778

Break this problem into two subproblems by setting 
(x + -4.375) equal to 11.074322778 and -11.074322778.

Subproblem 1

x + -4.375 = 11.074322778 Simplifying x + -4.375 = 11.074322778 Reorder the terms: -4.375 + x = 11.074322778 Solving -4.375 + x = 11.074322778 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.375' to each side of the equation. -4.375 + 4.375 + x = 11.074322778 + 4.375 Combine like terms: -4.375 + 4.375 = 0.000 0.000 + x = 11.074322778 + 4.375 x = 11.074322778 + 4.375 Combine like terms: 11.074322778 + 4.375 = 15.449322778 x = 15.449322778 Simplifying x = 15.449322778

Subproblem 2

x + -4.375 = -11.074322778 Simplifying x + -4.375 = -11.074322778 Reorder the terms: -4.375 + x = -11.074322778 Solving -4.375 + x = -11.074322778 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.375' to each side of the equation. -4.375 + 4.375 + x = -11.074322778 + 4.375 Combine like terms: -4.375 + 4.375 = 0.000 0.000 + x = -11.074322778 + 4.375 x = -11.074322778 + 4.375 Combine like terms: -11.074322778 + 4.375 = -6.699322778 x = -6.699322778 Simplifying x = -6.699322778

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.449322778, -6.699322778}

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