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  • Pengguna Brainly
2016-01-23T15:35:07+08:00
X^2 - mx + 32 = 0
a + 2a = m , (a)(2a) = 32
3a = m       , 2a^2 = 32
3(4) = m     , a^2 = 16
m = 12        , a = 4
 
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