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9.3 Solving Quadratic Equations By Square Roots
Hauen laguntzarekin:
Black
(Jatorrizko autorea:
Bennett
)
1.
b =±
2b
2
=
32
2.
p=
p=
-2+(p+4)
2
=7
3.
X
X
2
= ±
- 8 = 56
d = ±
4.
4d
2
+
25 = 125
5.
m=
m=
(m-7)
2
+3=19
6.
X = ±
8x
2
- 32 = 0
7.
b = ±
2b
2
- 16 = 56
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