Problem one:
(3x – 5)(x + 4)
Problem two: (2m – 3)(5m + 3t)
2007-02-25 14:01:56 · 5 answers · asked by Anonymous in Education & Reference ➔ Homework Help
do the foil method for both
(3x-5)(x+4)
(3x)(x) + (3x)(4)+(-5)(x)+(-5)(4)
3x^2 + 12x + -5x + 20
3x^2+7x+20
Problem 2
(2m-3)(5m+3t)
(2m)(5m)+(2m)(3t)+(-3)(5m)+(-3)(3t)
10m^2 + 6mt + -15m + -9t
10m^2+6mt-15m-9t
2007-02-25 14:07:51 · answer #1 · answered by abc123 3 · 1⤊ 0⤋
Problem.01: (3x-5)(x+4)=(3x^2+12x-5x-20)=(3x^2+7x-20)
Problem.02: (2m-3)(5m+3t)=(10m^2+6mt-15m-9t^2)
2007-02-25 22:06:49 · answer #2 · answered by M.R.GANESAN 1 · 0⤊ 0⤋
i think:
#1) (3x-5)(x+4)
(3x-5x-20)
(-2x-20)
#2) (2m-3)(5m+3t)
(2m-15m-9t)
(-13m-9t)
2007-02-25 22:11:55 · answer #3 · answered by sunshineangel 3 · 0⤊ 0⤋
You FOIL them...
First
Outside
Inside
Last.
...
problem 1:
3xSQUARED - 17X - 20
problem 2:
...i think it's:
10mSQUARED + 6mt - 15m - 9t
2007-02-25 22:07:17 · answer #4 · answered by LIZZYYY 1 · 0⤊ 0⤋
3x^2+7x-20
10m^2+6mt-15m-9t
2007-02-25 22:05:41 · answer #5 · answered by Zack C 3 · 0⤊ 0⤋