22x+2x^2=5

Simple and best practice solution for 22x+2x^2=5 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

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


Simplifying
22x + 2x2 = 5

Solving
22x + 2x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + 22x + 2x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 22x + 2x2 = 0

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

Divide each side by '2'.
-2.5 + 11x + x2 = 0

Move the constant term to the right:

Add '2.5' to each side of the equation.
-2.5 + 11x + 2.5 + x2 = 0 + 2.5

Reorder the terms:
-2.5 + 2.5 + 11x + x2 = 0 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + 11x + x2 = 0 + 2.5
11x + x2 = 0 + 2.5

Combine like terms: 0 + 2.5 = 2.5
11x + x2 = 2.5

The x term is 11x.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11x + 30.25 + x2 = 2.5 + 30.25

Reorder the terms:
30.25 + 11x + x2 = 2.5 + 30.25

Combine like terms: 2.5 + 30.25 = 32.75
30.25 + 11x + x2 = 32.75

Factor a perfect square on the left side:
(x + 5.5)(x + 5.5) = 32.75

Calculate the square root of the right side: 5.722761571

Break this problem into two subproblems by setting 
(x + 5.5) equal to 5.722761571 and -5.722761571.

Subproblem 1

x + 5.5 = 5.722761571 Simplifying x + 5.5 = 5.722761571 Reorder the terms: 5.5 + x = 5.722761571 Solving 5.5 + x = 5.722761571 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 5.722761571 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 5.722761571 + -5.5 x = 5.722761571 + -5.5 Combine like terms: 5.722761571 + -5.5 = 0.222761571 x = 0.222761571 Simplifying x = 0.222761571

Subproblem 2

x + 5.5 = -5.722761571 Simplifying x + 5.5 = -5.722761571 Reorder the terms: 5.5 + x = -5.722761571 Solving 5.5 + x = -5.722761571 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -5.722761571 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -5.722761571 + -5.5 x = -5.722761571 + -5.5 Combine like terms: -5.722761571 + -5.5 = -11.222761571 x = -11.222761571 Simplifying x = -11.222761571

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.222761571, -11.222761571}

See similar equations:

| 3(x+1)=x(x+5) | | 7d+4=5d+20 | | X*-7=13 | | 30+x+3x+2x=180 | | 8x^15/8x^5 | | 4x(x+3)-8=10x-7 | | [X-20+[X-20*0.5]]-[20+[X-20*0.5]]=2X | | [X-2+[X-20*0.5]]-[20+[X-20*0.5]]=2X | | X+5x+11=180 | | 2x+-8=2x+10 | | 3d(d-8)=3d | | 8+(20+x)=15 | | 2+1+19+1= | | 30a^2= | | 150=125 | | 0.285=0.2125x+0.0127 | | 0.478=0.2125x+0.0127 | | 0.273=0.2125x+0.0127 | | 0.534=0.2125x+0.0127 | | 0.377=0.2125x+0.0127 | | 0.341=0.2125x+0.0127 | | 0.377=0.0127x+0.2125 | | 0.341=0.0127x+0.2125 | | 9+(-14+x)=24 | | 9+(14+x)=24 | | 2(5h+4)=3(4+3n) | | 12+8x=38 | | 2x-(x+9)=-2-(3x-25) | | 14x+2y=7970 | | (2x-6)/3=(x-3)/5 | | 4(4p-3)=2(4+3p) | | 24-(18x-2)=28-(15x-34) |

Equations solver categories