5x^2+22x=24

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Solution for 5x^2+22x=24 equation:


Simplifying
5x2 + 22x = 24

Reorder the terms:
22x + 5x2 = 24

Solving
22x + 5x2 = 24

Solving for variable 'x'.

Reorder the terms:
-24 + 22x + 5x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + 22x + 5x2 = 0

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

Divide each side by '5'.
-4.8 + 4.4x + x2 = 0

Move the constant term to the right:

Add '4.8' to each side of the equation.
-4.8 + 4.4x + 4.8 + x2 = 0 + 4.8

Reorder the terms:
-4.8 + 4.8 + 4.4x + x2 = 0 + 4.8

Combine like terms: -4.8 + 4.8 = 0.0
0.0 + 4.4x + x2 = 0 + 4.8
4.4x + x2 = 0 + 4.8

Combine like terms: 0 + 4.8 = 4.8
4.4x + x2 = 4.8

The x term is 4.4x.  Take half its coefficient (2.2).
Square it (4.84) and add it to both sides.

Add '4.84' to each side of the equation.
4.4x + 4.84 + x2 = 4.8 + 4.84

Reorder the terms:
4.84 + 4.4x + x2 = 4.8 + 4.84

Combine like terms: 4.8 + 4.84 = 9.64
4.84 + 4.4x + x2 = 9.64

Factor a perfect square on the left side:
(x + 2.2)(x + 2.2) = 9.64

Calculate the square root of the right side: 3.104834939

Break this problem into two subproblems by setting 
(x + 2.2) equal to 3.104834939 and -3.104834939.

Subproblem 1

x + 2.2 = 3.104834939 Simplifying x + 2.2 = 3.104834939 Reorder the terms: 2.2 + x = 3.104834939 Solving 2.2 + x = 3.104834939 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.2' to each side of the equation. 2.2 + -2.2 + x = 3.104834939 + -2.2 Combine like terms: 2.2 + -2.2 = 0.0 0.0 + x = 3.104834939 + -2.2 x = 3.104834939 + -2.2 Combine like terms: 3.104834939 + -2.2 = 0.904834939 x = 0.904834939 Simplifying x = 0.904834939

Subproblem 2

x + 2.2 = -3.104834939 Simplifying x + 2.2 = -3.104834939 Reorder the terms: 2.2 + x = -3.104834939 Solving 2.2 + x = -3.104834939 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.2' to each side of the equation. 2.2 + -2.2 + x = -3.104834939 + -2.2 Combine like terms: 2.2 + -2.2 = 0.0 0.0 + x = -3.104834939 + -2.2 x = -3.104834939 + -2.2 Combine like terms: -3.104834939 + -2.2 = -5.304834939 x = -5.304834939 Simplifying x = -5.304834939

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.904834939, -5.304834939}

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