alixxhhcalixxhhc alixxhhcalixxhhc

01-08-2016
Mathematics

contestada

f(x) = x3 + 4x2 + x − 6 real zeros

Respuesta :

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

math help...................................

For this discussion board post, think about the implications and consequences of understanding the human soul (atman) as both same as and different than God/uni

Assume a Poisson random variable has a mean of 6 successes over a 120-minute period a. Find the mean of the random variable, defined by the time between success

A student in lab prepared a cereal sample solution for spectroscopic analysis as described in the lab manual, and found the concentration of Fe3+ in the sample

A current loop, carrying a current of 6.8 A, is in the shape of a right triangle with sides 30, 40, and 50 cm. The loop is in a uniform magnetic field of magnit

Find all positive integers n such that n^4- 1 is divisible by 5.

When the x value is 7. What is y is on the problem 8=y•3x

Lashonda is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices. Company A has no initial fee but

Which is the coldest place in india

explain the style of tribal people in India and explain the government policy or the development of tribal people in India. activity you can use internet.