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Verified answer
Jawabmisalkan p adalah akar PK baru 3 kali akar 3x² - 4x - 8 =0
p = 3x
x = 1/3 p substitusikan ke 3x² - 4x - 8 =0
3(1/3p)² - 4(1/3 p) - 8 = 0
3(1/9) p² - 4/3 p - 8 =0
1/3 p² - 4/3 p - 8 ...} kalikan 3
p² - 4p - 24 = 0
dalam x
x² - 4x - 24 =0