183
(a-b)2=a2-2pab+b2
(x-3)2=x2-2 x3+32=x2-6 x+9
(1-m)2=1-2*1m+m2
(5+p)2=25+10p+p2
(2a-3)2=2a2-2*2a3+32
(4-3y)2=42-2*83y+3y2
(3m+2n)2=3m2+2*3m2n+2n2
(5p-2q)2=5p2-2*5p2q+2q2
183.
(a-b2)2=a2-2*ab+b4
(x3-y)2=x5-2*xy+y2
(m3-n2)2=m5-2*mn+n5
(p4+q2)2=p6+2*pq+q4
(a3+ab)2=a5+2*a2b+ab2
(x3-y2z)2=x3-2*xyz+y2z2
(2m-n2)2=2m2-2*2mn2+n4
(3p2-2q3)2=3p2-2*3p2q+2q5
(4a2b-3ab2)2=4a2b-2*4ab-3ab+3ab4
184
mn2-m 3 -2* mnm+m3
—
+2*
3bc+3bc2
x5+2* x y+ y6
-1 p2+2*-1 q+ q2