Jawapan

2015-09-04T21:56:40+08:00
  • Pengguna Brainly
2015-09-06T18:19:00+08:00
X^2+12x+36
= (x+6)^2
bukti: (x+6)^2 = (x+6)(x+6)
= x^2+12x+36