Question

find the sum.
(1 - 9z)+3(z - 2)=square

Explanation:

Step1: Expand the second - term

$3(z - 2)=3z-6$

Step2: Combine like - terms

$(1 - 9z)+(3z - 6)=1-9z + 3z-6$
$=(1-6)+(-9z + 3z)$
$=-5-6z$

Answer:

$-5 - 6z$