8y^2 + 12x - 4y^2 + 24x
= 4y^2 + 36x
Bro that's a lot, i don't know what the heck you are talking about.
Formula for slope: y2-y1/x2-x1
Plug in values.
3-8/-4-(-7)= -5/3 = slope
42-1/36-12=41/24=slope
Sorry but I don’t understand that language... Just ask someone who knows answer... sorry...