Mathematics
Senior High
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15 次の式を因数分解せよ。 (5点×4)
(1)3a²-10a+3
(3)5x2-7xy-6y2
(4) 6x2+17xy+12y2
(2) 4a2+3a-27(
(1)
-3a
-1 a
3
-90
392
3
-10a
(2)
2
F
4.
402
-27
3 a
(3)
- 6
-8
5
5x2
-642
-7024
28
No
Date
⑤
(4)
2x
34
3x→
9x7
(2x+4y) (3x + 3y)
32
4Y
8 xy
6x2
1242
17x7
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