因数分解L4-1-3(8問)
次の式を因数分解せよ。
18x2+12x+2
解答○ ×36x2-36x+9
解答○ ×16ax2-36a
解答○ ×75x3+60x2+12x
解答○ ×16x3-4x
解答○ ×16ax2-24axy+9ay2
解答○ ×12a3-3ab2
解答○ ×16x3+24x2y+9xy2
解答○ ×問題と解答
18x2+12x+22(3x+1)2 36x2-36x+99(2x-1)2 16ax2-36a4a(2x-3)(2x+3) 75x3+60x2+12x3x(5x+2)2 16x3-4x4x(2x+1)(2x-1) 16ax2-24axy+9ay2a(4x-3y)2 12a3-3ab23a(2a-b)(2a+b) 16x3+24x2y+9xy2x(4x+3y)2
