alixxhhcalixxhhc alixxhhcalixxhhc
  • 01-08-2016
  • Mathematics
contestada

f(x) = x3 + 4x2 + x − 6 real zeros

Respuesta :

caylus
caylus caylus
  • 01-08-2016
Hello,

f(x)=x^3+4x²+x-6
=x^3-x²+5x²-5+x-1
=x²(x-1)+5(x-1)(x+1)+x-1
=(x-1)(x²+5x+5+1)
=(x-1)(x²+2x+3x+6)
=(x-1)(x(x+2)+3(x+2))
=(x-1)(x+2)(x+3)

Zeros are  1,-2,-3.

Answer Link

Otras preguntas

Why is most of the mass of an atom is located in the nucleus?
American colonists valued what British principle of government?
Which statement is true about eating disorders?
How should you test a hypothesis?How should you test a hypothesis? by writing a mathematical equation by making a single observation by performing a controlled
Which World War II event occurred first? The United States dropped two atomic bombs on Japan. President Harry Truman was sworn in to office.
Find 10.5 in plus 7.35 in and use the correct number of significant digits in the sum
Which of the following is a severe convective weather event that can occur when a warm, moist air mass meets a cold air mass? a. blizzard b. tornado c. dust
is ammonia a homogeneous mixture?
The addition of which of the following sentences would create an effective paragraph? Planning a party can be an easy task. First, the host should create a gues
If your goal is to find a mentor who can help encourage you, which category would it fall into?