数学题-x²+17x-30
问题描述:
数学题-x²+17x-30
答
-x²+17x-30
=-(x^2-17x+30)
=-(x-15)(x-2)
数学题-x²+17x-30
-x²+17x-30
=-(x^2-17x+30)
=-(x-15)(x-2)