What is factor z^2-12z+20 ?

The solution to factor z^2-12z+20 is (z-2)(z-10)

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factor z^2-12z+20

factor

z^{2} - 12 z + 20

(z - 2) (z - 10)

Solution steps

z^{2} - 12 z + 20

Break the expression into groups

= (z^{2} - 2 z) + (- 10 z + 20)

Factor out

z

from

z^{2} - 2 z : z (z - 2)

Factor out

- 10

from

- 10 z + 20 : - 10 (z - 2)

= z (z - 2) - 10 (z - 2)

Factor out common term

z - 2

= (z - 2) (z - 10)

14 = 28 + 7 x

(\frac{1}{5})^{- 2}

\frac{7 - 4}{8 - 4}

y, - 5 l y l = - 25

14 a^{2} + 4 = 2 a