x^2-11x+14=-5

Simple and best practice solution for x^2-11x+14=-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 x^2-11x+14=-5 equation:


Simplifying
x2 + -11x + 14 = -5

Reorder the terms:
14 + -11x + x2 = -5

Solving
14 + -11x + x2 = -5

Solving for variable 'x'.

Reorder the terms:
14 + 5 + -11x + x2 = -5 + 5

Combine like terms: 14 + 5 = 19
19 + -11x + x2 = -5 + 5

Combine like terms: -5 + 5 = 0
19 + -11x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + -11x + -19 + x2 = 0 + -19

Reorder the terms:
19 + -19 + -11x + x2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -11x + x2 = 0 + -19
-11x + x2 = 0 + -19

Combine like terms: 0 + -19 = -19
-11x + x2 = -19

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 = -19 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -19 + 30.25

Combine like terms: -19 + 30.25 = 11.25
30.25 + -11x + x2 = 11.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 11.25

Calculate the square root of the right side: 3.354101966

Break this problem into two subproblems by setting 
(x + -5.5) equal to 3.354101966 and -3.354101966.

Subproblem 1

x + -5.5 = 3.354101966 Simplifying x + -5.5 = 3.354101966 Reorder the terms: -5.5 + x = 3.354101966 Solving -5.5 + x = 3.354101966 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 = 3.354101966 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 3.354101966 + 5.5 x = 3.354101966 + 5.5 Combine like terms: 3.354101966 + 5.5 = 8.854101966 x = 8.854101966 Simplifying x = 8.854101966

Subproblem 2

x + -5.5 = -3.354101966 Simplifying x + -5.5 = -3.354101966 Reorder the terms: -5.5 + x = -3.354101966 Solving -5.5 + x = -3.354101966 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 = -3.354101966 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -3.354101966 + 5.5 x = -3.354101966 + 5.5 Combine like terms: -3.354101966 + 5.5 = 2.145898034 x = 2.145898034 Simplifying x = 2.145898034

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.854101966, 2.145898034}

See similar equations:

| -2(3+-2)+4t=5t-6 | | 7/6d=-5/3 | | 283475t=567+67 | | .3k=9.66 | | 6+9+2p(6+5)=59 | | 3(2x-7)-(x+11)=15 | | 3x-1=-9x+11 | | f(a+5)=a+5+1 | | b=45.60+0.104 | | 4x-2(-3x)=-20 | | 17=3(x-5) | | -7x=8y-5 | | -2(6x-3)+7=-12x+13 | | x+58+52=180 | | 0.6k+0.2k=4 | | 20=2(v-6)-6v | | 3x-1=-9+11 | | 6x-3x+7=x-4+11 | | -2x+(-8)=4 | | -7(3x+4)+21x=-28 | | 8x+4y=-10 | | 1x=1x-12 | | 0.5(a-3)+4=2.5 | | f(6a)=6a+1 | | (X+1)=-2 | | 1x=1x+12 | | 4h-20g= | | f(-9)=-9+1 | | 24x-43=3x | | 18x+4+1+7x=180 | | -9x+(-27)=36 | | f(8)=8+1 |

Equations solver categories