展開L2-1-1(8問)
次の式を展開せよ。
3(x+3)2
解答○ ×2(x-1)(x+1)
解答○ ×3(x+3)(x+4)
解答○ ×4(x+2)(x-3)
解答○ ×5(x-1)(x-2)
解答○ ×2(x-5)2
解答○ ×4(x+3)(x-3)
解答○ ×3(x-6)(x+7)
解答○ ×問題と解答
3(x+3)23x2+18x+27 2(x-1)(x+1)2x2-2 3(x+3)(x+4)3x2+21x+36 4(x+2)(x-3)4x2-4x-24 5(x-1)(x-2)5x2-15x+10 2(x-5)22x2-20x+50 4(x+3)(x-3)4x2-36 3(x-6)(x+7)3x2+3x-126
