15sophie15 15sophie15
  • 25-06-2020
  • Mathematics
contestada

rewrite x^2+9 as a product using complex numbers and the polynomial identity below

Relax

Respuesta :

jimrgrant1 jimrgrant1
  • 25-06-2020

Answer:

(x + 3i)(x - 3i)

Step-by-step explanation:

Express x² + 9 as a difference of squares which factors in general as

a² - b² = (a + b)(a - b), thus

x² + 9

= x² - (3i)²

= (x + 3i)(x - 3i)

Answer Link

Otras preguntas

is anyone blink or army​
Pls help ASAP I don’t get it
+ In the figure below, if m<1 = (x + 16)° and m The < sign is angle
evaluate the expression (2.5)^3
Do barber exists? If yes, why do people have. dirty long heard and hair​
Find the equation of the line that goes through the points: (-1,4) and (-8,11)
....did Freddie Mercury, the lead singer of Queen,die?
There are 130 people in a sport centre. 61 people use the gym. 68 people use the swimming pool. 60 people use the track. 25 people use the gym and the pool. 30
How do presidential and congressional elections provide opportunities for active deliberation among citizens? Answer the question below in no fewer than two par
damon ate lunch at a restaurant.the bill came to 8.33.if he left an 18% tip, how much was the tip​