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Bab Persamaan KuadratMatematika SMP Kelas VIII
p² + (p + 2)² = 514
p² + p² + 4a + 4 - 514 = 0
pa² + pa - 510 = 0
***dibagi 2***
p² + 2p - 255 = 0
(p + 17) (p - 15) = 0
p = -17 (tidak memenuhi karena negatif) atau p = 15 (memenuhi)
p + p + 2
= 15 + 15 + 2
= 32