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 ( 64+ )
Otras preguntas
Why did ancient Egyptian civilization fall?
during a special sale,all the CDs have the same price.Mr.ortiz pays $228.85 for 23 CDs.Which is the best estimate of the priceof each CD.
How did early humans survive their harsh environments?
After doing the flame test, what can you infer about the different coloured flames produced by different elements?
The Gadsden purchase enabled the United States to do which of the following Gain access to important natural resources in the southwest Increase crop production
What is the answer to 2x+2y=36 when x-y=6
where did the cival war begin a Gettysburg b fort sumter c Appomattox d manassas
Vicky came home from the matinee at 5:45 pm.The travel time to and from the cinema was 1/2 hr each way . She spent 2 1/4 hrs at the cinema . What time did she l
How's my essay on Hammurabi's code was just. “If a man has opened his trench for irrigation and the waters have flooded his neighbor’s field, the man must resto
describe what takes place during cellular respiration in complex organisms