27
18
----
45
GCF of 45 = 15
Here is a word document on Greatest Common Factors and how to solve it.
1/3 as a decimal is roughly .333 repeating
Basically each part of the first complex number gets multiplied by each part of the second complex number. You are multiplying 2 binomials.
(15 + 56i(7 + 4i)
= 105 + 60i + 392i + 224i^2
= 105 + 452i - 224 ( because i^2 = -1)
= - 119 + 452i
1. 49/56 2. 25/30 I really need help with my work to
I would tell you but the answer wont show sorry. :)
