Answer:
C) (x + 3i)(x - 3i)
Step-by-step explanation:
(x + 3i)(x - 3i)
=x² - (3i)² [(a+b)(a-b)=a²-b²]
=x² - 9i²
=x² - 9(-1) [i²=-1]
= x² + 9
Answer:
x=15
Step-by-step explanation:
just took it
Answer:
p = 43
Step-by-step explanation:
p + 7 + 3p + 1 = 180
4p + 8 = 180
4p = 172
p = 43
Answer:
See below
Step-by-step explanation:
5x+3y=13
3y=-5x+13
y=-5/3x+13/3
This graph has a slope of -5/3 and a y intercept of 13/3, as shown below. Hope this helps!