Question

Преобразуйте в многочлен
(x-8)²=
(y+3)²=
(2x+5y)²=

Answer 1

(x-8)^2=x^2-16x+64
(y+3)^2=y^2+6y+9
(2x+5y)^2=4x^2+20xy+25y^2