4x^2+43x+35=0

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Solution for 4x^2+43x+35=0 equation:


Simplifying
4x2 + 43x + 35 = 0

Reorder the terms:
35 + 43x + 4x2 = 0

Solving
35 + 43x + 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'.
8.75 + 10.75x + x2 = 0

Move the constant term to the right:

Add '-8.75' to each side of the equation.
8.75 + 10.75x + -8.75 + x2 = 0 + -8.75

Reorder the terms:
8.75 + -8.75 + 10.75x + x2 = 0 + -8.75

Combine like terms: 8.75 + -8.75 = 0.00
0.00 + 10.75x + x2 = 0 + -8.75
10.75x + x2 = 0 + -8.75

Combine like terms: 0 + -8.75 = -8.75
10.75x + x2 = -8.75

The x term is 10.75x.  Take half its coefficient (5.375).
Square it (28.890625) and add it to both sides.

Add '28.890625' to each side of the equation.
10.75x + 28.890625 + x2 = -8.75 + 28.890625

Reorder the terms:
28.890625 + 10.75x + x2 = -8.75 + 28.890625

Combine like terms: -8.75 + 28.890625 = 20.140625
28.890625 + 10.75x + x2 = 20.140625

Factor a perfect square on the left side:
(x + 5.375)(x + 5.375) = 20.140625

Calculate the square root of the right side: 4.487830768

Break this problem into two subproblems by setting 
(x + 5.375) equal to 4.487830768 and -4.487830768.

Subproblem 1

x + 5.375 = 4.487830768 Simplifying x + 5.375 = 4.487830768 Reorder the terms: 5.375 + x = 4.487830768 Solving 5.375 + x = 4.487830768 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.375' to each side of the equation. 5.375 + -5.375 + x = 4.487830768 + -5.375 Combine like terms: 5.375 + -5.375 = 0.000 0.000 + x = 4.487830768 + -5.375 x = 4.487830768 + -5.375 Combine like terms: 4.487830768 + -5.375 = -0.887169232 x = -0.887169232 Simplifying x = -0.887169232

Subproblem 2

x + 5.375 = -4.487830768 Simplifying x + 5.375 = -4.487830768 Reorder the terms: 5.375 + x = -4.487830768 Solving 5.375 + x = -4.487830768 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.375' to each side of the equation. 5.375 + -5.375 + x = -4.487830768 + -5.375 Combine like terms: 5.375 + -5.375 = 0.000 0.000 + x = -4.487830768 + -5.375 x = -4.487830768 + -5.375 Combine like terms: -4.487830768 + -5.375 = -9.862830768 x = -9.862830768 Simplifying x = -9.862830768

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.887169232, -9.862830768}

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