pinkster104
pinkster104
15-04-2016
Mathematics
contestada
Help! How do I factor this?
Respuesta :
jsblumen
jsblumen
15-04-2016
Given: [tex]5x^3-15x^2-140x[/tex]
Factor out a 5x: [tex]5x(x^2-3x-28)[/tex]
Find two numbers that multiply to -28 and add up to -3. In this case, -7 and 4: [tex]5x(x-7)(x+4)[/tex]
Answer Link
taehyung04
taehyung04
17-04-2016
given <<5x^3-15x^2-140x>>
factor out everything in common
5x(x^2-3x-28)
factor polynomial within the parentheses
5x(x+4)(x-7)
Answer Link
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
One of the effects of Hurricane Katrina, which devastated New Orleans in 2005, was the death of almost all of the plants in flooded areas. Initially, toxic chem
Please help me solve -6 = 14 - z/3
Which statement correctly distinguishes photosynthesis and respiration? Photosynthesis occurs in animal cells and not plant cells. Cell respiration occurs in an
Galileo Galilei and Sir Issac Newton are most closely associated with (1) initiating religious reforms (2) leading political revolutions (3) conduc
When the pH of a solution changes from a pH of 5 to a pH of 3, the hydronium ion concentration is A. 0.01 of the original content B. 0.1 of the original content
Base your answer to question 30 on the speakers’ statements below and on your knowledge of social studies. Speaker A: The British East India Company does
Which one of the five choices makes the best comparison? PEACH is to HCAEP as 46251 is to: 25641 26451 12654 51462 15264?
A student on an amusement park ride moves in a circular path with a radius of 3.5 meters once every 8.9 seconds. The student moves at an average speed of (1) 0.
A coat regularly priced at $188 is on sale for 25% off. What is the sale price?
Immediately after World War II, which country exerted political and economic control over Poland, Hungary, and Romania? (1) France (3) So
