-x2-9x+36因式分解
问题描述:
-x2-9x+36因式分解
答
=-(x+12)(x-3)
答
-x2-9x+36
=-(x²+9x-12*3)
=-(x+12)(x-3)
答
=-(x²+9x-36)
=-(x+12)(x-3)
答
-x^2-9x+36
=-(x^2+9x-36)
=-(x+12)(x-3)