平方完成 演習12
-3p2 +6p +13
-5n2 +405n
u2 -(15/11) u
2at2 +bt -a
( 3-t )2 +t2 +( 2t-3 )2
2bt2 +2at +1 -b
-5/4 b2z2 +2abz +a2 +9/4b2
10x2 -12x +3
3x2 +2ax +b -a -1
-x2 +tx +c -t
-3p2 +6p +13
-5n2 +405n
u2 -(15/11) u
2at2 +bt -a
( 3-t )2 +t2 +( 2t-3 )2
2bt2 +2at +1 -b
-5/4 b2z2 +2abz +a2 +9/4b2
10x2 -12x +3
3x2 +2ax +b -a -1
-x2 +tx +c -t