Rule needed: i^2 = -1
Standard form a + bi
(3 + 2i)(7 - 5i) FOIL
3 * 7 = 21
3 * - 5i = - 15i
2i * 7 = 14i
2i * -5i = - 10i^2 = - 10 * -1 = 10
Putting it all back together.
31 - i
Answer:
(2,8)
x = 2
y = 8
Step-by-step explanation:
<u>The steps are shown in the picture</u>
Answer:
PLEASE TAKE YOUR TIME AND THINK THROUGH EVERY PROBLEM. USE THE C.U.B.E.S STRATEGY WHEN NEEDED.
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
<h3>Arkadaşım cevap istiyorsan benim soruma cvp ver</h3>
Answer
7 = -x
Step-by-step explanation:
18- 8x = 8 + 3(1 - 3x)
18- 8x = 8 +3-9x
18- 8x = 11 - 9x
7- 8x = -9x
7 = -x