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
whole number
Step-by-step explanation:
And the reason is because it doesn't have decimals or fractions in it.
Answer:
huh
Step-by-step explanation:
Answer:
Step-by-step explanation:
75%= 75/100=0.75
Answer:numbers
Step-by-step explanation:
Numbers
