Answer:
x=13i, -13i
Step-by-step explanation:
Take the square root of both sides which gives you plus or minus the square root of -169. Then you get plus or minus 13times the square root of negative 1. Now you can say that x equals positive or negative 13i
=−10x5−18x4+25x3−48x2+17x−14 is the right anwer...
Answer:
650 + 22.50x = 1887.50 x = 55 hours
Step-by-step explanation:
1887.50 - 650 = 1237.5
1237.5 / 22.50 = 55
She needs to work 55 hours to obtain $1887.50 if she already has $650.