6x²-13x-15=0提公因式法提什么

2024-12-16 18:56:31
推荐回答(1个)
回答1:

6x^2-13x-15=0
6x^2-18x+5x-15=0
6x(x-3)+5(x-3)=0
(6x+5)(x-3)=0
x1=-5/6 x2=3