2x^2-22x+30=5

Simple and best practice solution for 2x^2-22x+30=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 2x^2-22x+30=5 equation:


Simplifying
2x2 + -22x + 30 = 5

Reorder the terms:
30 + -22x + 2x2 = 5

Solving
30 + -22x + 2x2 = 5

Solving for variable 'x'.

Reorder the terms:
30 + -5 + -22x + 2x2 = 5 + -5

Combine like terms: 30 + -5 = 25
25 + -22x + 2x2 = 5 + -5

Combine like terms: 5 + -5 = 0
25 + -22x + 2x2 = 0

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

Divide each side by '2'.
12.5 + -11x + x2 = 0

Move the constant term to the right:

Add '-12.5' to each side of the equation.
12.5 + -11x + -12.5 + x2 = 0 + -12.5

Reorder the terms:
12.5 + -12.5 + -11x + x2 = 0 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + -11x + x2 = 0 + -12.5
-11x + x2 = 0 + -12.5

Combine like terms: 0 + -12.5 = -12.5
-11x + x2 = -12.5

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 = -12.5 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -12.5 + 30.25

Combine like terms: -12.5 + 30.25 = 17.75
30.25 + -11x + x2 = 17.75

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 17.75

Calculate the square root of the right side: 4.213074887

Break this problem into two subproblems by setting 
(x + -5.5) equal to 4.213074887 and -4.213074887.

Subproblem 1

x + -5.5 = 4.213074887 Simplifying x + -5.5 = 4.213074887 Reorder the terms: -5.5 + x = 4.213074887 Solving -5.5 + x = 4.213074887 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 = 4.213074887 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 4.213074887 + 5.5 x = 4.213074887 + 5.5 Combine like terms: 4.213074887 + 5.5 = 9.713074887 x = 9.713074887 Simplifying x = 9.713074887

Subproblem 2

x + -5.5 = -4.213074887 Simplifying x + -5.5 = -4.213074887 Reorder the terms: -5.5 + x = -4.213074887 Solving -5.5 + x = -4.213074887 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 = -4.213074887 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -4.213074887 + 5.5 x = -4.213074887 + 5.5 Combine like terms: -4.213074887 + 5.5 = 1.286925113 x = 1.286925113 Simplifying x = 1.286925113

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.713074887, 1.286925113}

See similar equations:

| 4t+8=9t+6 | | 9x^2-48x-192=0 | | 9*1.333-2*4.118= | | 1.3333+4*4.117= | | -22=-2T-4 | | 25+4y-5=12y-10-2y | | 34y=140 | | 1.3333+4*3.66666=16 | | 3y-7+y+23=6y+20-4y | | 1.333+4y=16 | | 28-13x-6x^2= | | (-3+3)(x+8)= | | 3x+8-2x=12 | | 5x-29=-25+6x | | 12-4(x+2)=3x-11 | | 5s-8=-36+s | | a^2-2a+1= | | a^2-2a+11= | | -9(-3x+10)= | | 5(2x-7)=-5(-39-4x) | | 13x=32*5x | | W^2+14w+24=0 | | 2x+16+4=12 | | 16a^2-56ab+49ab^2= | | 4z^2-8z-5=0 | | x-6x-845=0 | | 9-3(6x-8)=-7 | | -.029x^2=5.9 | | (2x+1)=(x-31) | | -1+6(7x+6)=(4x-4)+7 | | 6x^3-6x^2-120x= | | -(5a+9)-3(a-8)= |

Equations solver categories