X² + 3x – 10= 0 adalah p dan q. jika p > q, nilai p² – q adalah…
+ 3x – 10 = 0
(x +5)(x-2) = 0
x = -5 atau x = 2
p>q
p=2
q=-5
-q = ?
– (-5)
4-(-5)=9
X^2 + 3x – 10 = 0
(x + 5) (x – 2) = 0
x+5=0
x=-5
x-2=0
x=2
syarat : p > q
2 > -5
jadi p = 2 , q = -5
p^2-q =
2^2 – (-5) =
4 + 5 =
9