Jawabanmu

2014-09-12T12:17:42+07:00
A. a^2 + 5a - 24= (a-3)(a+8)
b. 2x^2 - x - 3
= 2x^2+2x-3x-3
=2x(x+1)-3(x+1)
=(2x-3)(x+1)