Anna0114
Anna0114
01-06-2015
Mathematics
contestada
what are the zeros of (x-2)(x^2-9)
Respuesta :
Аноним
Аноним
01-06-2015
[tex](x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 72+ )
Otras preguntas
what is the least common denominator for adding the fractions 4/15, 1/12, and 3/8
a volcano that is erupting or has shown signs of erupting in the near future is caled what?
the practice of islam throughout much of west Africa is evidence that
How was the U.S. Experience establishing trade with China different from U.S. attempts to open trade with Japan ?
If the relationship between distance y in feet and time x in seconds is proportional,which rate is represented by y/x=0.6
mrs. johnson gave a sum of money to her son and daughter in the ratio 5:6. Her daughter received $2400. how muh did Mrs. Johnson give away in all?
Which describe the life of a small farmer in colonial times? Choose all answers that are correct. A. wore nice clothes made in town B. went to college in Willia
if the ríbbon costs 10 cents per foot what is the total cost of ribbon in dollars
With interest of $1,832.00 and a principal of $16,000 for 206 days, use the ordinary interest method to determine the rate.
Last year a state university received 3,560 applications from boys,of those applications,35%were from boys who lived in other states .applications due to the un
