z^2-12z+20=0

Simple and best practice solution for z^2-12z+20=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^2-12z+20=0 equation:


Simplifying
z2 + -12z + 20 = 0

Reorder the terms:
20 + -12z + z2 = 0

Solving
20 + -12z + z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(2 + -1z)(10 + -1z) = 0

Subproblem 1

Set the factor '(2 + -1z)' equal to zero and attempt to solve: Simplifying 2 + -1z = 0 Solving 2 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1z = 0 + -2 -1z = 0 + -2 Combine like terms: 0 + -2 = -2 -1z = -2 Divide each side by '-1'. z = 2 Simplifying z = 2

Subproblem 2

Set the factor '(10 + -1z)' equal to zero and attempt to solve: Simplifying 10 + -1z = 0 Solving 10 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1z = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1z = 0 + -10 -1z = 0 + -10 Combine like terms: 0 + -10 = -10 -1z = -10 Divide each side by '-1'. z = 10 Simplifying z = 10

Solution

z = {2, 10}

See similar equations:

| -6*10y=-60 | | -6(-6)+10y=-60 | | 4/5/5/3 | | d^2-14d+49=0 | | 21x^3y^2z-28x^5y^3z^4=0 | | 2(9u-4)=(4u+5) | | x=5/3x4/5 | | 25x^3+90x^2+81x=0 | | 8/10t-1/10=5/10 | | x^3+2x^2-19x-20=0 | | 8/10t-4/10=4/10 | | 8/10t-3/10=4/10 | | k^2+kf=2f^2 | | 9ab^3-4a^3b=0 | | 5(4w+4)=-10(-3w-8) | | y^2+12y+25=0 | | -3x-9= | | 8x+10x=7x | | 9x+4y=-76 | | -7x+9=-9x+13 | | -8(-8)+76=-56 | | g(7)=-2X+2 | | f(-4)=3x^2-3x | | 8(-7)-8y=-64 | | 3a+10+6a=7a-9a | | 0.05(0.3m+35n)-0.8(0.09m)-22n= | | 15z+23=23+15z | | 9-2x+11=10 | | (t-2)^2/4t^2x2t/t-2 | | -6=-9/x | | 9=-21-6x | | 4xsquared=16 |

Equations solver categories