Number 3 is 9 not negative 10
Answer:
17x−5 =85 3x+5 =15 8x-3= -24 here you can use this to find your awnser
Step-by-step explanation:
Alrighty
remember

means

and

and

for all real values of x
so

means

means

which simplifies to
1=x²+4x-5
minus 1 both sides
0=x²+4x-6
use quadratic formula or complete the square

and

2 solutions
Answer:
D
Step-by-step explanation:
correct answer, thanks for 15 pts
Answer: D
Step-by-step explanation: