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ganti variabel p menjadi x yaitu
x2+x-3 = 0
cek diskriminan b2-4ac = 2-4(1)(-3)
= 2+12
=14
-1 plus minus √1-4(1)(3)
per 2
-1 plus minus √14 /2
x1= p + √14 / 2 atau x2 = p - √14 /2