五道简单的数学题!在线等!(急!)

1.-a^3-4a^2+12a2.2x^2+15x+73.3a^2-8a+44.5x^2+7x-65.6y-11y-10
2024-11-22 17:32:30
推荐回答(1个)
回答1:

1, -a(a-2)(a-6)
2, (x-7)(2x-1)
3, (3a-2)(a-2)
4, (x+2)(5x-3)
5, 2(x-1)(3x-5)