2X^2-22X+49=0

Simple and best practice solution for 2X^2-22X+49=0 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+49=0 equation:


Simplifying
2X2 + -22X + 49 = 0

Reorder the terms:
49 + -22X + 2X2 = 0

Solving
49 + -22X + 2X2 = 0

Solving for variable 'X'.

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

Divide each side by '2'.
24.5 + -11X + X2 = 0

Move the constant term to the right:

Add '-24.5' to each side of the equation.
24.5 + -11X + -24.5 + X2 = 0 + -24.5

Reorder the terms:
24.5 + -24.5 + -11X + X2 = 0 + -24.5

Combine like terms: 24.5 + -24.5 = 0.0
0.0 + -11X + X2 = 0 + -24.5
-11X + X2 = 0 + -24.5

Combine like terms: 0 + -24.5 = -24.5
-11X + X2 = -24.5

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 = -24.5 + 30.25

Reorder the terms:
30.25 + -11X + X2 = -24.5 + 30.25

Combine like terms: -24.5 + 30.25 = 5.75
30.25 + -11X + X2 = 5.75

Factor a perfect square on the left side:
(X + -5.5)(X + -5.5) = 5.75

Calculate the square root of the right side: 2.397915762

Break this problem into two subproblems by setting 
(X + -5.5) equal to 2.397915762 and -2.397915762.

Subproblem 1

X + -5.5 = 2.397915762 Simplifying X + -5.5 = 2.397915762 Reorder the terms: -5.5 + X = 2.397915762 Solving -5.5 + X = 2.397915762 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 = 2.397915762 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + X = 2.397915762 + 5.5 X = 2.397915762 + 5.5 Combine like terms: 2.397915762 + 5.5 = 7.897915762 X = 7.897915762 Simplifying X = 7.897915762

Subproblem 2

X + -5.5 = -2.397915762 Simplifying X + -5.5 = -2.397915762 Reorder the terms: -5.5 + X = -2.397915762 Solving -5.5 + X = -2.397915762 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 = -2.397915762 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + X = -2.397915762 + 5.5 X = -2.397915762 + 5.5 Combine like terms: -2.397915762 + 5.5 = 3.102084238 X = 3.102084238 Simplifying X = 3.102084238

Solution

The solution to the problem is based on the solutions from the subproblems. X = {7.897915762, 3.102084238}

See similar equations:

| 3x(x+3)=x+23 | | 17+6x=59 | | X+3+3x=x+23 | | -18-20y=46 | | 0-20y=46 | | 3/5x+4=12 | | 4-2x=6x+5 | | -18x-0=46 | | H-31/3=77/8 | | 32+6x=80 | | 14+6x=38 | | 12(0)-6y=-36 | | 2x/5+1/10=4/5 | | 12-6y=-36 | | 15+4x=51 | | 28+4x=64 | | 2/3x-7=4 | | 0-1.3y=-6.3 | | 5x+35y=50 | | 5(t-6)+3t=4(2t+4)-12 | | -3(3s-2)-6=-3(7s+6)-3 | | 22+5x=57 | | 4.9t^2-5t-19.6=0 | | 45.1x=1282-2x | | 5k-2= | | m+n=-7 | | 1/2(10x-6)=8 | | 4.9t^2-6t-17=0 | | x-y-2=2 | | 9n+5(n+3)=-(n+13)-2 | | 1.4x-0=-6.3 | | 0-15y=50 |

Equations solver categories