26+5y - 0.5y^2 = 2.5y^2 + 26

Question

26+5y - 0.5y^2 = 2.5y^2 + 26

Answer 1

26+5у-0,5у2=2,5у2+26

-3у2+5у=0

3у2-5у=0

у(3у-5)=0

у=0 или 3у-5=0

            у=5/3

ответ. у1=0 у2=5/3