Jawabanmu

2014-09-10T21:47:56+07:00
A. (x-5) (x+2)
b. (3x+5) ( x-2)
2014-09-10T21:52:06+07:00
A.  x^{2} -3x-10 = (x-5)(x+2)
b.3 x^{2} -x-10 = (3x+5)(x-2)