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January 31, 2015

January 31, 2015

Posted by **Tammie** on Tuesday, March 29, 2011 at 4:50pm.

Describe the different methods that can be used to find the product:

(2x-5)(3x-1). I know there is the foil method.

Describe the different methods that can be used to find the product:

(5x+1)^2

- Algebra Please Help -
**Reiny**, Tuesday, March 29, 2011 at 6:22pmyou can line it up just like normal arithmetic multiplication

2x-5

3x-1

------

......... -2x + 5

6x^2 -15x

_______________

6x^2 - 17x + 5

(hoping that the x terms line up vertically)

best way to do (5x+1)^2 is using FOIL in

(5x+1)(5x+1)

= 25x^2 + 5x + 5x + 1

= 25x^2 + 10x + 1

- Algebra Please Help -
**Anonymous**, Thursday, March 31, 2011 at 11:13pmYeah I would just use the FOIL method because its way easier...

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