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

Interest begins accruing the date of the transaction except for _____. auto loans mortgages credit card cash advances credit card purchases
Which expression is equivalent to 3^3 + 2^2?
Water and soil are brought into the Indus River Valley as a result of __________. A. high winds B. annual floods C. long droughts D. seasonal tornadoes
A flashlight produces light using energy from the batteries. In which order does the energy change form? A. from chemical to electric to light energy B. f
Please help with this question
Question 1 (1 point) Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation. This momentous decre
What number was Abraham Lincoln president
What are synonyms for the word “sizzle”?
As you move from right to left on the periodic table the atomic radius _____ Fill in the blank
What is a synonym for the word “gallery”?