Answer:
21.1 min
Step-by-step explanation:
x^2+ 2x +-48
product: -48 sum: 2
8, -6
x^2 +8x - 6x - 48
=> x(x+8) -6(x+8)
=> (x+8)(x-6)
Hope it helps...........
Addition property of equality.
You are adding something to both sides of the equation.