(y-8)^2-(64-6y)-x^2 при у=1/2 х=-1/2

Question

(y-8)^2-(64-6y)-x^2 при у=1/2 х=-1/2

Comments

Просто подставляй значения х и у

Answer 1

(7,5)^2-61-0,25=56,25-61-0,25=-5