因数分解(基本問題3)
次の式を因数分解しなさい
x2+14x+49 x2-x-30 x2-20x+100 x2+11x+24 x2-6x+9 x2-8x-9 ax2+3ax x2-8x-48 x2-121 x2-64 2ax+2x2 -8ax+4x2
解説リクエスト
x2+14x+49 x2-x-30 x2-20x+100 x2+11x+24 x2-6x+9 x2-8x-9 ax2+3ax x2-8x-48 x2-121 x2-64 2ax+2x2 -8ax+4x2