4x^2+135x+1000=0

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Solution for 4x^2+135x+1000=0 equation:


Simplifying
4x2 + 135x + 1000 = 0

Reorder the terms:
1000 + 135x + 4x2 = 0

Solving
1000 + 135x + 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'.
250 + 33.75x + x2 = 0

Move the constant term to the right:

Add '-250' to each side of the equation.
250 + 33.75x + -250 + x2 = 0 + -250

Reorder the terms:
250 + -250 + 33.75x + x2 = 0 + -250

Combine like terms: 250 + -250 = 0
0 + 33.75x + x2 = 0 + -250
33.75x + x2 = 0 + -250

Combine like terms: 0 + -250 = -250
33.75x + x2 = -250

The x term is 33.75x.  Take half its coefficient (16.875).
Square it (284.765625) and add it to both sides.

Add '284.765625' to each side of the equation.
33.75x + 284.765625 + x2 = -250 + 284.765625

Reorder the terms:
284.765625 + 33.75x + x2 = -250 + 284.765625

Combine like terms: -250 + 284.765625 = 34.765625
284.765625 + 33.75x + x2 = 34.765625

Factor a perfect square on the left side:
(x + 16.875)(x + 16.875) = 34.765625

Calculate the square root of the right side: 5.896238208

Break this problem into two subproblems by setting 
(x + 16.875) equal to 5.896238208 and -5.896238208.

Subproblem 1

x + 16.875 = 5.896238208 Simplifying x + 16.875 = 5.896238208 Reorder the terms: 16.875 + x = 5.896238208 Solving 16.875 + x = 5.896238208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16.875' to each side of the equation. 16.875 + -16.875 + x = 5.896238208 + -16.875 Combine like terms: 16.875 + -16.875 = 0.000 0.000 + x = 5.896238208 + -16.875 x = 5.896238208 + -16.875 Combine like terms: 5.896238208 + -16.875 = -10.978761792 x = -10.978761792 Simplifying x = -10.978761792

Subproblem 2

x + 16.875 = -5.896238208 Simplifying x + 16.875 = -5.896238208 Reorder the terms: 16.875 + x = -5.896238208 Solving 16.875 + x = -5.896238208 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16.875' to each side of the equation. 16.875 + -16.875 + x = -5.896238208 + -16.875 Combine like terms: 16.875 + -16.875 = 0.000 0.000 + x = -5.896238208 + -16.875 x = -5.896238208 + -16.875 Combine like terms: -5.896238208 + -16.875 = -22.771238208 x = -22.771238208 Simplifying x = -22.771238208

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-10.978761792, -22.771238208}

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