z^2-30=z

Simple and best practice solution for z^2-30=z 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^2-30=z equation:


Simplifying
z2 + -30 = z

Reorder the terms:
-30 + z2 = z

Solving
-30 + z2 = z

Solving for variable 'z'.

Reorder the terms:
-30 + -1z + z2 = z + -1z

Combine like terms: z + -1z = 0
-30 + -1z + z2 = 0

Factor a trinomial.
(-5 + -1z)(6 + -1z) = 0

Subproblem 1

Set the factor '(-5 + -1z)' equal to zero and attempt to solve: Simplifying -5 + -1z = 0 Solving -5 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1z = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1z = 0 + 5 -1z = 0 + 5 Combine like terms: 0 + 5 = 5 -1z = 5 Divide each side by '-1'. z = -5 Simplifying z = -5

Subproblem 2

Set the factor '(6 + -1z)' equal to zero and attempt to solve: Simplifying 6 + -1z = 0 Solving 6 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1z = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1z = 0 + -6 -1z = 0 + -6 Combine like terms: 0 + -6 = -6 -1z = -6 Divide each side by '-1'. z = 6 Simplifying z = 6

Solution

z = {-5, 6}

See similar equations:

| 5n-2=5.5 | | p^2+48=-16p | | 2(n-5)=3(n+6) | | d^2+5d=50 | | y-x=14 | | 27x^2+18x^3-24x^4= | | 15x^2+4x-3= | | z+67=133 | | n^2+27=12n | | 16x^2+4xy-30y^2= | | 9x^4y^3-12x^3y^4-3x^3y^3= | | m^2-5m=14 | | 2u-9=7u+15-u-20 | | 4x^2+26x+30= | | 5b+4b+4=8b+2 | | 5b+5b+4=8b+2 | | 4(1-3.5y)+2y=-2 | | x^2-5y^2=1 | | 20y^2+3y-9= | | 23.78=y | | c+7=25 | | 4(1-3.75y)+2y=-2 | | 15y^2+13y-6= | | -5y^2-52y+33= | | -3x^2-18x+348=0 | | -9p^2+6p+8= | | (-1)=2x | | 7-2(-5x-9)+2x=4(2x-1)+3(x-12) | | 3x=0.3 | | 56+p=92 | | 2(3-y)+4y=8 | | 3-y+y=3 |

Equations solver categories