Answer:
x=5 and x=-11
Step-by-step explanation:
(x-2)(x+8)=39

Subtract 39 from both sides

Factor:
(x-5)(x+11)=0
Set factors to 0.
x-5 =0
x+11 =0
x=5, x=-11
Answer:
a=6 and b=7
Step-by-step explanation:
Answer:
I belive it is 2.9716
Step-by-step explanation:
Answer:
the practice of analysing and describing a complex phenomenon in terms of its simple or fundamental constituents, especially when this is said to provide a sufficient explanation
6:9, if you need more just simply find common ratios or simplify.