展開L2-2-1(8問)
次の計算をせよ。
2(x-6)+3x(x+4)
解答○ ×4x(x+2)+2(x-5)
解答○ ×3x(x-2)-2x(x+4)
解答○ ×4(x+5)+(x+3)(x-6)
解答○ ×3(x-6)-(x-2)(x+4)
解答○ ×(x-7)(x+8)+4(x-5)
解答○ ×(x+6)(x-5)-3(x+7)
解答○ ×-3x(x+2)+(x+2)(x-5)
解答○ ×問題と解答
2(x-6)+3x(x+4)3x2+14x-12 4x(x+2)+2(x-5)4x2+10x-10 3x(x-2)-2x(x+4)x2-14x 4(x+5)+(x+3)(x-6)x2+x+2 3(x-6)-(x-2)(x+4)-x2+x-10 (x-7)(x+8)+4(x-5)x2+5x-76 (x+6)(x-5)-3(x+7)x2-2x-51 -3x(x+2)+(x+2)(x-5)-2x2-9x-10