What is factor z^2+11z+18 ?

The solution to factor z^2+11z+18 is (z+2)(z+9)

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factor z^2+11z+18

factor

z^{2} + 11 z + 18

(z + 2) (z + 9)

Solution steps

z^{2} + 11 z + 18

Break the expression into groups

= (z^{2} + 2 z) + (9 z + 18)

Factor out

z

from

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

Factor out

9

from

9 z + 18 : 9 (z + 2)

= z (z + 2) + 9 (z + 2)

Factor out common term

z + 2

= (z + 2) (z + 9)

2. 3^{3}

- 292 \frac{94}{95} - 6621 \frac{159}{665}

- 236

(- 10)^{- 3}

\frac{1}{9} - 2