Answers

2014-07-07T19:30:49+08:00
You will multiply the -3 to x and -4 while you will remain or copy again the 5x,,because it is not accompaniment by a ()() means not for using foil method,,so it is differ.....
5x -3(x-4) +2(3x-7)
5x +(-3)(x) +(-3)(-4) +2(3x) +(2)(-7)
5x -3x -7 +6x -5
the answer is ; 8x -12
1 5 1