Answer:
Explanation:
hello :
x² + 8x + 12 =(x² + 8x +16) -16+ 12
x² + 8x + 12 = (x+4)²-2² = (x+4-2)(x+4+2) by identity : a²-b² =(a-b)(a+b)
x² + 8x + 12 = (x-2)(x+6)
8.8m questions
11.4m answers