November 2018 2 56 Report
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Selesaikan persamaam kuadrat dibawah ini dengan memfaktorkan/faktorisasi
a) X^2+9x+20=0
b) 2x2+5x+2=0
c) x^2-2x-15=0
d) 4x^2-4x+1=0

Dibawah gambarnya klo nda jelas
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