Answers

2015-08-15T14:22:37+08:00
10(x-y)-4(x-y)-(x-y)
=10x-10y-4x+4y-x+y
=5x-5y
OR
10(x-y)-4(x-y)-(x-y)
=(x-y)(10-4)
=2(x-y)(5-2)
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2015-08-15T17:41:58+08:00
10x-10y - 4x-4y - x-y
=10x-3x-x-10y-4y-y
=6x-5y
Final answer = 6x-5y
0