Answers

  • Brainly User
2014-07-11T19:15:07+05:30
X^2+7x+12
=x^2+4x+3x+12
=x[x+4]+3[x+4]
=[x+3][x+4]
0
2014-07-11T19:27:33+05:30
 x^{2}  + 7x + 12
 x^{2} + 4x + 3x + 12X
(x + 4) + 3 (x + 4)
(x + 4) (x + 3)
0