| | x方-6x-16 | -10 | =a
| | (x-8)(x+2)| -10 | =10
| (x-8)(x+2)| =0, ->x1=8,x2=-2
(x-8)(x+2) =-20 -> x^2-6x+4=0, b^2-4ac=36-16=20>0, 有州稿两个历迹纤实数解 x3,x4
(x-8)(x+2) = 20 -> x^2-6x-36=0, b^-4ac=36+4*36 >0, 有两个肢仿实数解 x5,x6
所以
a=10
where is 题 数学题在哪拿卖? 题目呢? 什么掘敏岩数学题~ lzbuh 761 jm 621 等于判御2022 hna 119 cj 679 ufejm 887