tolong jawab no 3 ya besok senin ditumpuk

a. K= {-1,0,1,2,3,4,5,6,7,8}
b. L= {-3,3}
c. M= {1,2,3,4,5,6,....}
d. N= {2,4,6,8,10}
e. O= {1}

Kalau butuh cara
b. x² = 9
x = √9
x = ±3
Himpunan = {-3,3}

e. 3x + 7 = 10
3x = 10 - 7
3x = 3
x = 1

Moga ngebantu