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Verified answer
MatematikaPersamaan Kuadrat VIII SMP
Pembahasan :
x² - (p - 2)x + (p + 1) = 0
Syarat akar sama
D = 0
b² - 4ac = 0
(-p + 2)² - 4(1)(p + 1) = 0
p² - 4p + 4 - 4p - 4 = 0
p² - 8p = 0
p(p - 8) = 0
P = 0
P = 8
Maka nilai P adalah 0 atau 8
Verified answer
Bab Persamaan KuadratMatematika SMP Kelas VIII
x² - (p - 2) x + p + 1 = 0
a = 1; b = -(p - 2); c = p + 1
b² - 4ac = 0
(-(p - 2))² - 4 . 1 . (p + 1) = 0
p² - 4p + 4 - 4p - 4 = 0
p² - 8p = 0
p (p - 8) = 0
p = 0 atau p - 8 = 0
p = 8