kylamchavez
kylamchavez
03-03-2018
Mathematics
contestada
find the roots of the equation x3-3x^2+x+5
Respuesta :
Professor1994
Professor1994
03-03-2018
x^3-3x^2+x+5=(x+1)(x^2-4x+5)
(x+1)(x^2-4x+5)=0
x+1=0→x+1-1=0-1→x=-1
x^2-4x+5 different to zero
The root of the equation is x=-1
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
Brandy wants to buy a camera for $315. Suppose she saves $15 a week. How many weeks will it take to afford the camera? Write your answer as a equation with x as
a certain reaction has delta h= -75 kj mol and an activation energyh What is the activation energy of the reverse reaction?
"Use the graphical method to solve this problem: Minimize Z = 15 X_1 + 20 X_2 Subject to X_1 + 2 X_2 ≥ 10 2X_1 – 3X_2 ≤ 6 X_1 + X_2 ≥ 6 and X_1 ≥ 0, X_2 ≥ 0"
In a shop the total cost of two shirts and a trouser is Rs 3491.96 if the cost of a shirt is Rs 2006.99 less than the cost of trouser then what is the cost of a
Sarah was 50 1/4 inches tall when she was 12 years old. she was 48 1/2 inches tall when she was 11. how much did she grow during the year?
1. An ion from a given element has 13 protons and 10 electrons A. What is the charge on the ion? B. What is the name of the element? C.What is the symbol for th
Sarah was 50 1/4 inches tall when she was 12 years old. she was 48 1/2 inches tall when she was 11. how much did she grow during the year?
In a shop the total cost of two shirts and a trouser is Rs 3491.96 if the cost of a shirt is Rs 2006.99 less than the cost of trouser then what is the cost of a
Simplify the following expression as much as possible. csc^2 x * sin^2([tex]\pi[/tex]/2 - x)/ cot^2 x
1. An ion from a given element has 13 protons and 10 electrons A. What is the charge on the ion? B. What is the name of the element? C.What is the symbol for th
