angelawallace angelawallace
  • 22-04-2015
  • Mathematics
contestada

ZERO polynominal function of f(x) = x^3 + 4x^2 - 9x - 36

Respuesta :

belcatya
belcatya belcatya
  • 22-04-2015
f(x) = x³ + 4x² - 9x - 36
f(x)=(x³+4x²)-(9x+36)=x²(x+4)-9(x+4)=(x+4)(x²-9)=(x+4)(x²-3²)=(x+4)(x-3)(x+3)=0
so x₁=-4, x₂=-3, x₃=3
Answer Link

Otras preguntas

can anyone help me out with this graph ?
Name a substance that moves by each mechanism
I NEED HELP PLEASE! Jenny's birthday cake is circular and has a 30 cm radius. Her slice creates an arc of with a central angle of 120 degrees. What is the area
Wanax was another name for a Mycenaean _____.
the total amount of _________ is the same before and after any transformation
Write 59 sixths as an improper fraction
Suppose that you are given two unlabeled beakers. One beaker contains water, and the other beaker contains a solution of ethanol and water. How could you safely
The floor of our classroom is 50 feet by 75 feet. What is the area of our floor?
A river boat tour begins by going 60 miles upstream against a 5 mph current. Then the boat turns around and returns with the current. What still-water speed sho
which belief system was the basis for the civil service exams during the Han, Tang, and Song Dynasties? explain