Question

Himpunan penyelesaian x2 +11x-26=0 adalah
PLEASE BANTU JAWAB;(

Answer 1

X² + 11x - 26 = 0
x² + 13x - 2x - 26 = 0
x(x + 13) - 2(x + 13) = 0
(x + 13)(x - 2) = 0
x = -13 atau x = 2

HP = {-13, 2}