Mathematics
Senior High
解説お願いします!!
5 次の式を因数分解せよ。
(1) x2-(y-z)²
(2) x²+(a-2)x-(3a-1)(2a+1)
(3) abx²-(a²+ b²)x+ab
(4) a²(b-c)²-(c-b)²
(5) (a²-b²)x²+4abx-(a²-b²) (6) 3ab-a+36-1
p. 16~19
6 次の式を因数分解せよ。
(1) 2(x+y)²-x-y-3+x (2) (x+y+1)(x-2y+1)-4y²
(3) a²b+b²c-a²c-b³
(4) 4x²-y²+2yz-z²
(5) x²-5xy+4y²+x+2y-2
493
(6) a(b²-c²)+b(c²-a²)+c(a²-b²)
p. 18~20
15
20
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