7z^2-30z+7z^2=0

Simple and best practice solution for 7z^2-30z+7z^2=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 7z^2-30z+7z^2=0 equation:


Simplifying
7z2 + -30z + 7z2 = 0

Reorder the terms:
-30z + 7z2 + 7z2 = 0

Combine like terms: 7z2 + 7z2 = 14z2
-30z + 14z2 = 0

Solving
-30z + 14z2 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '2z'.
2z(-15 + 7z) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'z' equal to zero and attempt to solve: Simplifying z = 0 Solving z = 0 Move all terms containing z to the left, all other terms to the right. Simplifying z = 0

Subproblem 2

Set the factor '(-15 + 7z)' equal to zero and attempt to solve: Simplifying -15 + 7z = 0 Solving -15 + 7z = 0 Move all terms containing z to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + 7z = 0 + 15 Combine like terms: -15 + 15 = 0 0 + 7z = 0 + 15 7z = 0 + 15 Combine like terms: 0 + 15 = 15 7z = 15 Divide each side by '7'. z = 2.142857143 Simplifying z = 2.142857143

Solution

z = {0, 2.142857143}

See similar equations:

| .25x-x=m | | 3p^2=0 | | 3r-5=-11+4r | | 2x^4+x^2-28=0 | | -4.2=7c | | 3.5x-x=m | | 46=7*q | | 2(6+2a)=-(2-4a) | | 6=20+6 | | 6z^2-8z-1=0 | | 1.58x+12.25=5.27x-4.83 | | 1.1+d=-4.4 | | 6y^2-29y+9=0 | | 63=6*q | | 6y^2+31y+18=0 | | 2.7k=21 | | h=16t^2+6400 | | 16z^2+8z-15=0 | | 6a=-3x+5 | | (9+c)+3=57 | | 4p^2-8p=5 | | 5/12=x3/8 | | 10(2x+11)+12x-14= | | 2.6q-2.6-2.8=-1.2q-1.9 | | H=154-16t^2 | | n^2+84=-18n | | 5x-2+x=16 | | 7+6lnx=5 | | 18z^2+41z+21=0 | | (4a)^3/a^5 | | 3(X+1)(2X+5)= | | 3/7w-4.7=-3.8 |

Equations solver categories