(z^2)+11z-468=0

Simple and best practice solution for (z^2)+11z-468=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 (z^2)+11z-468=0 equation:


Simplifying
(z2) + 11z + -468 = 0
z2 + 11z + -468 = 0

Reorder the terms:
-468 + 11z + z2 = 0

Solving
-468 + 11z + z2 = 0

Solving for variable 'z'.

Begin completing the square.

Move the constant term to the right:

Add '468' to each side of the equation.
-468 + 11z + 468 + z2 = 0 + 468

Reorder the terms:
-468 + 468 + 11z + z2 = 0 + 468

Combine like terms: -468 + 468 = 0
0 + 11z + z2 = 0 + 468
11z + z2 = 0 + 468

Combine like terms: 0 + 468 = 468
11z + z2 = 468

The z term is 11z.  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.
11z + 30.25 + z2 = 468 + 30.25

Reorder the terms:
30.25 + 11z + z2 = 468 + 30.25

Combine like terms: 468 + 30.25 = 498.25
30.25 + 11z + z2 = 498.25

Factor a perfect square on the left side:
(z + 5.5)(z + 5.5) = 498.25

Calculate the square root of the right side: 22.321514286

Break this problem into two subproblems by setting 
(z + 5.5) equal to 22.321514286 and -22.321514286.

Subproblem 1

z + 5.5 = 22.321514286 Simplifying z + 5.5 = 22.321514286 Reorder the terms: 5.5 + z = 22.321514286 Solving 5.5 + z = 22.321514286 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + z = 22.321514286 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + z = 22.321514286 + -5.5 z = 22.321514286 + -5.5 Combine like terms: 22.321514286 + -5.5 = 16.821514286 z = 16.821514286 Simplifying z = 16.821514286

Subproblem 2

z + 5.5 = -22.321514286 Simplifying z + 5.5 = -22.321514286 Reorder the terms: 5.5 + z = -22.321514286 Solving 5.5 + z = -22.321514286 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + z = -22.321514286 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + z = -22.321514286 + -5.5 z = -22.321514286 + -5.5 Combine like terms: -22.321514286 + -5.5 = -27.821514286 z = -27.821514286 Simplifying z = -27.821514286

Solution

The solution to the problem is based on the solutions from the subproblems. z = {16.821514286, -27.821514286}

See similar equations:

| -4-(1/9) | | -66=-6(8x+3) | | (z^2)+z-28=0 | | (1/9)-9y=-4 | | 7x-5+x=7 | | (x^6y^2)/(x^6y^3) | | v/7+13=20 | | 0.8x-0.3x-3=4 | | 5x-x^2-1=0 | | h^2-6h=31 | | (z^2)+12z+19=0 | | Y=-0.1x^2+10x | | 2(7x+3)=6 | | 92000+2.10x=15x | | 18+q=-32 | | 5x/x-7-3x/x-2 | | z^2+16z-29=0 | | -19+h=25 | | -8+3=-5 | | (z^2)-12z+19=0 | | -19h+h=25 | | (-3/5)=(2/3u)-(1/4) | | 375x^5+24x^2y^3=0 | | 4e^3x-16=12 | | h(t)=-16t^2+64t+50 | | 3(x*4.39)+y*3.41=99.48 | | h(t)=-16t+64t+50 | | (z^2)-14z+13=0 | | 86=-36+q | | x^2-4x+9x+5+x^2-5x+3x-2= | | 9+n-2=12 | | (z^2)-14z+13=323 |

Equations solver categories