mtk kelas 10 tolong dijawab pakek cara dong please

10+20+400=430 Jawabannya

5).
|-a| x |a| - |-a²| x (-2)=
|a| x |a| + 2x |-a²| =
|a|² + 2x |-a²| =
a² + 2x |-a²|.


6).
| 10 + x - x²| =
| 10 + 20 - 20²| =
|30 - 400| =
|-370| =
370.