x^2+49x+14=42

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Solution for x^2+49x+14=42 equation:


Simplifying
x2 + 49x + 14 = 42

Reorder the terms:
14 + 49x + x2 = 42

Solving
14 + 49x + x2 = 42

Solving for variable 'x'.

Reorder the terms:
14 + -42 + 49x + x2 = 42 + -42

Combine like terms: 14 + -42 = -28
-28 + 49x + x2 = 42 + -42

Combine like terms: 42 + -42 = 0
-28 + 49x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '28' to each side of the equation.
-28 + 49x + 28 + x2 = 0 + 28

Reorder the terms:
-28 + 28 + 49x + x2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 49x + x2 = 0 + 28
49x + x2 = 0 + 28

Combine like terms: 0 + 28 = 28
49x + x2 = 28

The x term is 49x.  Take half its coefficient (24.5).
Square it (600.25) and add it to both sides.

Add '600.25' to each side of the equation.
49x + 600.25 + x2 = 28 + 600.25

Reorder the terms:
600.25 + 49x + x2 = 28 + 600.25

Combine like terms: 28 + 600.25 = 628.25
600.25 + 49x + x2 = 628.25

Factor a perfect square on the left side:
(x + 24.5)(x + 24.5) = 628.25

Calculate the square root of the right side: 25.064915719

Break this problem into two subproblems by setting 
(x + 24.5) equal to 25.064915719 and -25.064915719.

Subproblem 1

x + 24.5 = 25.064915719 Simplifying x + 24.5 = 25.064915719 Reorder the terms: 24.5 + x = 25.064915719 Solving 24.5 + x = 25.064915719 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-24.5' to each side of the equation. 24.5 + -24.5 + x = 25.064915719 + -24.5 Combine like terms: 24.5 + -24.5 = 0.0 0.0 + x = 25.064915719 + -24.5 x = 25.064915719 + -24.5 Combine like terms: 25.064915719 + -24.5 = 0.564915719 x = 0.564915719 Simplifying x = 0.564915719

Subproblem 2

x + 24.5 = -25.064915719 Simplifying x + 24.5 = -25.064915719 Reorder the terms: 24.5 + x = -25.064915719 Solving 24.5 + x = -25.064915719 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-24.5' to each side of the equation. 24.5 + -24.5 + x = -25.064915719 + -24.5 Combine like terms: 24.5 + -24.5 = 0.0 0.0 + x = -25.064915719 + -24.5 x = -25.064915719 + -24.5 Combine like terms: -25.064915719 + -24.5 = -49.564915719 x = -49.564915719 Simplifying x = -49.564915719

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.564915719, -49.564915719}

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