54 - 24i + 9i + 4
(54 + 4) + (-24i + 9i)
58 - 15i
Uhh... is this the full problem because this looks like this is half a problem.
Answer:
y=6x
Step-by-step explanation:
it's because it grows every 6 inches
Answer:
25
Step-by-step explanation:
Answer:
see below
Step-by-step explanation:
(2x + i)(2x – i)
FOIL
first 2x*2x =4x^2
outer -i * 2x = 2x i
inner i * 2x = 2x i
last i * -i = -i^2 and i^2 = -1 so - (i^2 ) = - (-1) = 1
Add together
4x^2 + 2xi -2x i +1
Combine like terms
4x^2 +1
