Which of the binomials below is a factor of this trinomial?

5x2 + 20x + 15

A. x - 1
B. x + 1
C. x + 5
D. x - 5

Question

Which of the binomials below is a factor of this trinomial? 

5x2 + 20x + 15

 		A.	x - 1
 		B.	x + 1
 		C.	x + 5
 		D.	x - 5

anonymous · Answer

@sexy12

whpalmer4 · Answer

One obvious way to find out would be to factor the trinomial!

$$5x^2+20x+15$$Do you see any common factors you can divide out?

anonymous · Answer

b

anonymous · Answer

What is the factorization of the trinomial below?

3x3 + 6x2 - 24x

 		A.	3x(x - 2)(x - 4)
 		B.	3(x - 2)(x + 4)
 		C.	3(x2 - 2)(x + 4)
 		D.	3x(x - 2)(x + 4)

anonymous · Answer

@sexy12

whpalmer4 · Answer

Here's a radical idea. Instead of asking people for the answers, you could ask for help in learning how to do this, so you could supply your own answers!

whpalmer4 · Answer

You'll have to factor many a trinomial before you are done with your math classes.