5x^2-34+2x=3

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Solution for 5x^2-34+2x=3 equation:


Simplifying
5x2 + -34 + 2x = 3

Reorder the terms:
-34 + 2x + 5x2 = 3

Solving
-34 + 2x + 5x2 = 3

Solving for variable 'x'.

Reorder the terms:
-34 + -3 + 2x + 5x2 = 3 + -3

Combine like terms: -34 + -3 = -37
-37 + 2x + 5x2 = 3 + -3

Combine like terms: 3 + -3 = 0
-37 + 2x + 5x2 = 0

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

Divide each side by '5'.
-7.4 + 0.4x + x2 = 0

Move the constant term to the right:

Add '7.4' to each side of the equation.
-7.4 + 0.4x + 7.4 + x2 = 0 + 7.4

Reorder the terms:
-7.4 + 7.4 + 0.4x + x2 = 0 + 7.4

Combine like terms: -7.4 + 7.4 = 0.0
0.0 + 0.4x + x2 = 0 + 7.4
0.4x + x2 = 0 + 7.4

Combine like terms: 0 + 7.4 = 7.4
0.4x + x2 = 7.4

The x term is 0.4x.  Take half its coefficient (0.2).
Square it (0.04) and add it to both sides.

Add '0.04' to each side of the equation.
0.4x + 0.04 + x2 = 7.4 + 0.04

Reorder the terms:
0.04 + 0.4x + x2 = 7.4 + 0.04

Combine like terms: 7.4 + 0.04 = 7.44
0.04 + 0.4x + x2 = 7.44

Factor a perfect square on the left side:
(x + 0.2)(x + 0.2) = 7.44

Calculate the square root of the right side: 2.727636339

Break this problem into two subproblems by setting 
(x + 0.2) equal to 2.727636339 and -2.727636339.

Subproblem 1

x + 0.2 = 2.727636339 Simplifying x + 0.2 = 2.727636339 Reorder the terms: 0.2 + x = 2.727636339 Solving 0.2 + x = 2.727636339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2' to each side of the equation. 0.2 + -0.2 + x = 2.727636339 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + x = 2.727636339 + -0.2 x = 2.727636339 + -0.2 Combine like terms: 2.727636339 + -0.2 = 2.527636339 x = 2.527636339 Simplifying x = 2.527636339

Subproblem 2

x + 0.2 = -2.727636339 Simplifying x + 0.2 = -2.727636339 Reorder the terms: 0.2 + x = -2.727636339 Solving 0.2 + x = -2.727636339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2' to each side of the equation. 0.2 + -0.2 + x = -2.727636339 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + x = -2.727636339 + -0.2 x = -2.727636339 + -0.2 Combine like terms: -2.727636339 + -0.2 = -2.927636339 x = -2.927636339 Simplifying x = -2.927636339

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.527636339, -2.927636339}

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