展開L2-2-7(8問)
次の計算をせよ。
(2x-1)2+(x+2)(x+3)
解答○ ×(3x+2)2-(x+4)(x+1)
解答○ ×(4x+1)(4x-1)-(x+5)(x-6)
解答○ ×(x-5)(x-7)+(2x+9)(2x-3)
解答○ ×(3x+1)(3x+4)-(x+2)2
解答○ ×(2x+1)(3x+1)+(x-2)(x+4)
解答○ ×(4x-1)(3x+2)+(x+3)(x-1)
解答○ ×(2x+5)(3x-2)-(2x+3)(x+2)
解答○ ×問題と解答
(2x-1)2+(x+2)(x+3)5x2+x+7 (3x+2)2-(x+4)(x+1)8x2+7x (4x+1)(4x-1)-(x+5)(x-6)15x2+x+29 (x-5)(x-7)+(2x+9)(2x-3)5x2+8 (3x+1)(3x+4)-(x+2)28x2+11x (2x+1)(3x+1)+(x-2)(x+4)7x2+7x-7 (4x-1)(3x+2)+(x+3)(x-1)13x2+7x-5 (2x+5)(3x-2)-(2x+3)(x+2)4x2+4x-16
