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

Otras preguntas

3. Explain one way in which ideas about the cause of illness in the years c1700 - 01850 were different from ideas about the cause of illness in the years c1900

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O How many moles of oxygen gas (O2) are needed to create EXACTLY 6 moles of Carbon dioxide(CO2)?.

The 14th amendment guarantees due process, which means the government cannot, without a court approved reason, take away or limit what?

HElp fast please Read the description of the biotechnology R&D professional and identify his specific career. Dan is a biotechnology R&D professional wh

A researcher is investigating the relationship between the length, in centimeters, and weight, in grams, of pineapples. The researcher will select a random samp

Please help fast! I will give 15 points!

If you got your 60% discount and opened up the card for an additional 20%, what is the actual % discount you would receive? Please do not answer with link

Solving for dominant strategies and the Nash equilibrium Suppose Lorenzo and Neha are playing a game in which both must simultaneously choose the action Left or

she said: I am helping my mother in the kitchen in indirect form

Can somebody help me with this quickly whoever answers first gets a thanks