Answers

2016-06-22T21:05:40+08:00
X squared + x - 12. ayan po hahaha. pakiintindi nalang nung squared
0
2016-06-22T21:10:35+08:00
(x+4) (x-4) 
= x(x) + x(4) + x(-3) + 4(-3)
= x^2 +4x -3x -12
= x^2 +x - 12
0