Question

Записать в виде многочлена 1) (5+x)^2 ; (2) (1-3х)^2 ; (3) (3а+7b)^2 ; (4) (x^2+4)^2

Answer 1

1) (5+x)^2= 10+2х ;
(2) (1-3х)^2 =2-6х;
(3) (3а+7b)^2=6а+14б ;
(4) (x^2+4)^2=4х+8