Chapter 10 QuadratiC EQuations 359
- 001014 0130
100001014 013 1000
2
2
...
...(
xx
xx
++=
()++= ))
()()
xx
xx
xx
(^214130)
13 10
13 010
++=
++=
+= +=
−− 13 113 11
13 1
−−
xx=− =−
- −+−=
−− +−=−
−
01 11 28 0
10 01 11 28 100
2
2
2
...
...()
xx
xx
x
()
111 28 0
740
70 40
x
xx
xx
+=
−−=
−= −=
()()
++ 77 ++
==
44
xx 74
5.^1
5
1
5
60
51
5
1
5
650
30 0
6
2
2
2
xx
xx
xx
x
+−=
+−
=
+− =
+
()
())(x )
xx
−=
+= −=
50
60 50
−− ++
=−
66 55
x 6 x= 5
- 1
6
2
3
16
3
0
61
6
2
3
16
3
60
432
2
2
2
xx
xx
xx
−−=
−−
=
−−=
()
00
840
80 40
()xx()
xx
−+=
−= +=
++ −−
==
88 44
xx 8 −− 4