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 ( 94+ )
Otras preguntas
5/90 minus y equals 5/18
Who were the scottsboro boys? how did they get into so much trouble?
Does caulobacter crescentus get energy through chemosynthetic
Completa la frase con el participio pasado. Complete the sentences with past participle. Una de los primeros temas que propuso la educación para mujeres fue ___
To make a profit while benefiting humanity" is an example of a mission statement that A. incorporates values. B. is too vague. C. confuses the fu
If a developing country wishes to attract mass tourism it must:
the function f has a domain of {1,3,5,7} and a range of {2,4,6}. could f be represented by {(1,2),(3,4),(5,6),(7,2)}? justify your answer.
Write an absolute value equation that has 2 and 6 as solutions
A certain liquid has a density of 2.0 g/cm3 . 40.0 g of this liquid would occupy a volume of ___ cm3
An unmanned instrumented spacecraft designed for the acquisition of scientific data carried out in a space environment is called a
