Answer:
v1 = -1
v2= -15
Step-by-step explanation:
(|v+8|)²=(-7)²
(v+8)²=49
v²+16v+64=49
v²+16v+64-49=0
v²+16v+15=0
∆(delta)=16²-4.1.15 = 196>0
->.....
Answer:
[tex] |v + 8| \geqslant 0 \: with \: all \: value \: of \: v \\ \\ = > |v + 8| \: cant \: equal \: to \: - 7 \\ \\ = > no \: solution[/tex]
