Help please I need to pass this
Answer: z=6 z=-2
Step-by-step explanation:
(z-6)(z+2)
Think what adds to get -4, but multiplies to get -12, which would be -6 and 2. To find 'z', set it to zero.
z-6=0
z=6
z+2=0
z=-2
Therefore, your answer will be z=-2 and 6.