因式分解法 -6X平方-7X-2=0
问题描述:
因式分解法 -6X平方-7X-2=0
答
=>6x^2+7x+2=0
=>(2x+1)(3x+2)=0
x= -1/2或x= -2/3
答
-6X平方-7X-2=0
6X^2+7X+2=0
(2x+1)(3x+2)=0
x=-1/2 x=-2/3
答
-6x^2-7x-2=0
6x^2+7x+2=0
(2x+1)(3x+2)=0
x=-1/2或x=-2/3
答
-6X平方-7X-2=0
6X^2+7X+2=0
(3X+2)(2X+1)=0
X1=-2/3 X2=-1/2