X²+4x+8=0
use the quadratic formula: (sorry cannot type it here)
√(b²-4ac)=√(4²-4*1*8)=√(16-32)=√(-16)=+/- 4i
x=(-4+4i)/2 or (-4-4i)/2
x=-2+2i or x=-2-2i
the answer is A
Answer:
1
Step-by-step explanation:
3-(-5)-7
(3+5)-7
8-7
= 1
Remember, a negative times a negative equals a positve.
I think it's an= 13.5 - 2.5n
