Register
Find the zeros of the function. f(x) = 4x3 - 12x2 - 40x
128k views
4 votes
Find the zeros of the function. f(x) = 4x3 - 12x2 - 40x

User Nyaruko
by
8.7k points

1 Answer

3 votes
first take out the GCF which is 4x

4x (x^2 - 3x - 10) = 0

4x(x - 5)(x + 2) = 0

4x = 0 so x = 0

x - 5 = 0 so x = 5

x+2 = 0 so x = -2

zeros are -2, 0 and 5
User Phob
by
7.9k points
← Prev Question Next Question →

Related questions

User Manu Bhardwaj
asked Jul 12, 2016 222k views
1. Find all solutions for the equation 4x3 12x2 – 40x = 0. Show and explain your work
Manu Bhardwaj asked Jul 12, 2016
by Manu Bhardwaj
7.4k points
1 answer
2 votes
222k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!