2x^2+7x-44=

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Solution for 2x^2+7x-44= equation:


Simplifying
2x2 + 7x + -44 = 0

Reorder the terms:
-44 + 7x + 2x2 = 0

Solving
-44 + 7x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-22 + 3.5x + x2 = 0

Move the constant term to the right:

Add '22' to each side of the equation.
-22 + 3.5x + 22 + x2 = 0 + 22

Reorder the terms:
-22 + 22 + 3.5x + x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 3.5x + x2 = 0 + 22
3.5x + x2 = 0 + 22

Combine like terms: 0 + 22 = 22
3.5x + x2 = 22

The x term is 3.5x.  Take half its coefficient (1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
3.5x + 3.0625 + x2 = 22 + 3.0625

Reorder the terms:
3.0625 + 3.5x + x2 = 22 + 3.0625

Combine like terms: 22 + 3.0625 = 25.0625
3.0625 + 3.5x + x2 = 25.0625

Factor a perfect square on the left side:
(x + 1.75)(x + 1.75) = 25.0625

Calculate the square root of the right side: 5.006246099

Break this problem into two subproblems by setting 
(x + 1.75) equal to 5.006246099 and -5.006246099.

Subproblem 1

x + 1.75 = 5.006246099 Simplifying x + 1.75 = 5.006246099 Reorder the terms: 1.75 + x = 5.006246099 Solving 1.75 + x = 5.006246099 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.75' to each side of the equation. 1.75 + -1.75 + x = 5.006246099 + -1.75 Combine like terms: 1.75 + -1.75 = 0.00 0.00 + x = 5.006246099 + -1.75 x = 5.006246099 + -1.75 Combine like terms: 5.006246099 + -1.75 = 3.256246099 x = 3.256246099 Simplifying x = 3.256246099

Subproblem 2

x + 1.75 = -5.006246099 Simplifying x + 1.75 = -5.006246099 Reorder the terms: 1.75 + x = -5.006246099 Solving 1.75 + x = -5.006246099 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.75' to each side of the equation. 1.75 + -1.75 + x = -5.006246099 + -1.75 Combine like terms: 1.75 + -1.75 = 0.00 0.00 + x = -5.006246099 + -1.75 x = -5.006246099 + -1.75 Combine like terms: -5.006246099 + -1.75 = -6.756246099 x = -6.756246099 Simplifying x = -6.756246099

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.256246099, -6.756246099}

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