Answer:
-1
Step-by-step explanation:
1. 3x-1
2. -5+-3
3.7-8
4.=-1
1
(a). =
A =
=
2×2=4
9x+2=11x
1-6x=4x
x²-4=16
=16¹⁵x
Answer: it is -10 and -4 then 10 and -4
= ![\left[\begin{array}{cc}12&-4\\66&6\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D12%26-4%5C%5C66%266%5Cend%7Barray%7D%5Cright%5D)
![\left[\begin{array}{cc}5&-4\\3&6\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D5%26-4%5C%5C3%266%5Cend%7Barray%7D%5Cright%5D)
= 
= ![\left[\begin{array}{cc}5&12\\3&66\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D5%2612%5C%5C3%2666%5Cend%7Barray%7D%5Cright%5D)
