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 ( 78+ )
Otras preguntas
what is the preposition in the sentence. After it has caught its prey, the frogmouth crushes the animal in its beak, batters it a bit, and then swallows it whol
9. Write a letter to your friend describing him/her aboutyour plan after final examination.
1. What is a business plan?
công thức phân tử của glucozo
Please help me I am desperate
what are the spectrum of sustainable development
Point slope formula.. help
1. Which is an example of an algebraic expression? (2 point) A.4(3+8) B.18² C.3-a D.21×4
Instructions: Take the base sentence provided and expand the sentence using sentence patterns, adding clauses, phrases and more descriptive words. Example: Base
1+1=please help me, this question is very difficult
