Jawabanmu

2014-08-18T08:59:25+07:00
2x²+10x-2x-10 = 2x²+8x-10 tuh jawabannya,. :)
2014-08-18T09:21:03+07:00
(2x-2)(x+5)=2x^2+10x-2x-10 = 2x^2+8x-10