(-4,5)^2:(-4,5)^2:(0,75)-3,4

Question

(-4,5)^2:(-4,5)^2:(0,75)-3,4

Answer 1

(-4,5)^2:(-4,5)^2:(0,75)-3,4= 20,25:20,25:0,75-3,4=1/1*4/3-3,4= 4/3-17/5=20/15-51/15=-31/15=-2 1/15