Question

решить (x+4)^2=


(a-2b)^2=





(3y+5)=




(3y-5)=

решить подробно

Answer 1

(x+4)²=x²+8x+16
(a-2b)²=a²-4ab+4b²
(3y+5)²=9y²+30y+25?
(3y-5)²=9y²-30y+25?