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(1) (11/23)
(2)(x+1)(3x+2)
3) (x+3)(2x+1)
(4) (x-2)(2x-5) (5) (x+3)(4x-1)
Ta-2b3a-48)
(6
(2x-3x4x+5)
(8) (a+2b)(3a-2b)
(9) (x-2y)(5x+3y)
分解せよ。
(3)
[x4x3x+1) +10
(4)
4n³ + 6m² +2
-+4x-y-12
(2) (x+y)²+6x+y) +9
解答 (1)(x-y-2Xx-y+6)
16 次の式を因数分解せよ。
(1)17+ 16
(2) (x+y+3)²
(2)x-81
M (1) (x+1)(x-1)(x+4)(x-4) (2) (x²+9)(x+3)(x-3)
16 次の式を因数分解せよ。
(1) x²+20y-5xy-16
(2) 2-9y+3xy-9
解答 (1) (x4)(x-5y+4) (2) (x-3)(x+3y+3)
(5) x+xy-x²-y
(6) 4x³-y-2y-1
(7) x+2ax-3a²+4x+8a +3
(8) 2x2-xy-3y²-3x+7y-2
(1)
2a(x+2)(x-2) (2) (a-bx+y)(x − y)
(3) (x-3)(3x-2)
(4) 2n(n+1X2n+1) (5) (x-1)(x² + xy + y)
(6) (2x+y+12r-y-1)
(7) (x-a+3)(x+3a+1) (8) (x+y-2x2x-3y+1)