19-03-2021
Mathematics

contestada

SHOW that (x + 3) and (x - 2) are factors of f(x) = x4 + 10x3 + 23x2 -
34x - 120.

Respuesta :

violetredhazel violetredhazel

19-03-2021

if f(x) = 0 then it is a root

x + 3 = 0
x=-3
f(-3) = (-3)^4 + 10(-3)^3 + 23(-3)^2 - 34(-3) - 120 = 0

x - 2 = 0
x=2
f(2) = (2)^4 + 10(2)^3 + 23(2)^2 - 34(2) - 120 = 0

Answer Link

Otras preguntas

What do you call the recurrence of a single element in a work of art

do you just add it or multiply or what

Evaluate -x+4y when x= -4/5 and y= 1/3. Write your answer as a fraction or mixed number in simplest form. The value of the expression is- I need help ASAP! Th

How do you some Buddhists answer the question of divinity? A. Through Buddha nature B. Through the middle way C. Through the Theravada

It is much more difficult to diagnose a disorder than a one

A 44.0 g block of an unknown metal is heated in a hot water bath to have an initial temperature of 100.0°C. When the block is placed in a coffee-cup calorimete

I will give brainliest :)

Which disorder is more common in males than females, and shows up in social behaviors such as lying, theft, violence, aggression, and vandalism? A. anxiety diso

The first decades of the nineteenth century were a dynamic period for the young republic. What kind of changes were occurring in American life?

Jenny runs a small boutique in New Orleans and has five employees working under her. Lately, she has noticed that her boutique has not been delivering customer