展開-5(8問)
次の式を展開せよ。
(x+1)(x+2)
解答○ ×(x+5)(x+7)
解答○ ×(x-4)(x-3)
解答○ ×(x-9)(x-5)
解答○ ×(x+2)(x-1)
解答○ ×(x+5)(x-7)
解答○ ×(x-14)(x+8)
解答○ ×(x-10)(x+12)
解答○ ×問題と解答
(x+1)(x+2)x2+3x+2 (x+5)(x+7)x2+12x+35 (x-4)(x-3)x2-7x+12 (x-9)(x-5)x2-14x+45 (x+2)(x-1)x2+x-2 (x+5)(x-7)x2-2x-35 (x-14)(x+8)x2-6x-112 (x-10)(x+12)x2+2x-120
