Persamaan 2a2-13+15=0

2a2 - 13 + 15 = 0
4a + 2 = 0
4a = –2
a = –²/₄
a = – ½

Semoga membantu

2a^2-13a+15=0
2a^2-10a-3a+15=0
2a(a-5) -3( a-5)=0
(2a-3)(a-5) =0
=> 2a-3 = 0
=> 2a = 3
=> a = 3/2

a-5=0
a=5
Hp={ 3/2, dan 5}