X方+16-8X=1
问题描述:
X方+16-8X=1
答
X方+16-8X=1
x^2-8x+15=0
(x-3)(x-5)=0
x=3x=5
X方+16-8X=1
X方+16-8X=1
x^2-8x+15=0
(x-3)(x-5)=0
x=3x=5