Question

-y(y-8)+(y+3)^2 при у=1/2​

Answer 1

Ответ:

-y²+8y+y²+9=1/4+8*4+1/4+9=1/4+32+1/4+9=1/8+41=1/8+40 8/8=40 9/8 = 41 1/8