Answer:
6z-1-3z=17
Step-by-step explanation:
-75x - 36 = -21x²
-75x Seventy-five times a negative integer
-36 Minus 36
= Equals
-21x² The square of the negative integer
Hope this helps!
Answer:
9-2i
Step-by-step explanation:
(1 + 2i) * (1 - 4i)
(1*1)-(1*4i)+(2i*1)-(2i)*(4i)
(1)-(4i)+(2i)-(8i^2)
i^2 = -1
1-4i+2i+8
1-2i+8
9-2i
