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Hi all.I am yongkiat.I created this blog.I edited some codes from http://www.blogskins.com/.

i would like to explain -signs.It is POWERFUL in Algebra.Way powerful than the + sign.When e.g -3(1+2a),the negative sign goes for all.So it becomes,-3x1=-3,-x+=-,but because of the sign in front,the 2a is just multiplied by the 3.so the ans is -3+6a.
w/ tears ??? | 5:52 AM |