Explanation is in the file
tinyurl.com/wtjfavyw
Answer:
answer is 11.9...... have a good day
Step-by-step explanation:
x2-8x-3x+24=0
x(x-8) 3(x+8)
(x-8)(x+8)
x-8=0 or x+8=0
x=8. x= -8
what is question picture wont show