Question

представить в виде многочлена
(4x-1)²
(7+8y)(8y-7)
(xy+10)²
(2-3x)²

Answer 1

(4x-1)^2=16x^2-8x+1
(7+8y)(8y-7)=49-64y^2
(xy+10)^2=xy^2+20xy+100
(2-3x)^2=4-12x+9x^2