What is factor z^2-4z-12 ?

The solution to factor z^2-4z-12 is (z+2)(z-6)

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factor z^2-4z-12

factor

z^{2} - 4 z - 12

(z + 2) (z - 6)

Solution steps

z^{2} - 4 z - 12

Break the expression into groups

= (z^{2} + 2 z) + (- 6 z - 12)

Factor out

z

from

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

Factor out

- 6

from

- 6 z - 12 : - 6 (z + 2)

= z (z + 2) - 6 (z + 2)

Factor out common term

z + 2

= (z + 2) (z - 6)

lo g_{70} (143640)

22 \cdot 718

2 x^{2} + 2 x - 2

(- 3 cos^{2} (t) sin (t))^{2}

\frac{( x ^{2} + 8 x + 15 )}{( x + 5 )}