Mohon bantuanya jangan ngarang yha mbak bang pliss point tinggi

2. √18 + √8 - √32
= 3√2 + 2√2 - 4√2
= √2

3. |x-1| = 4
= *(x-1) = 4
x-1 = 4
x = 4 + 1
x = 5

= *-(x-1) = 4
-x+1 = 4
-x = 4 - 1
x = 3 / -1
x = -3 sehingga x = -3 atau x = 5

no yg lainyya kerjakan sendiri