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Verified answer
Salah satu akar persamaan kuadrat x^2 +(m+1)x +3m+2=0 adalah 5 tentukan nilai mlangsung subtitusikan akar ke pers. kuadratnya
x^2 +(m+1)x + 3m + 2 = 0
5² + (m + 1)5 + 3m + 2 = 0
25 + 5m + 5 + 3m + 2 = 0
8m + 32 = 0
8m = -32
m = -4
Verified answer
Jawabannya:Subs.ke pers. kuadratnya
x²+(m+1)x+3m+2=0
= 5²+(m+1)5+3m+2=0
= 25+5m+5+3m+2=0
= 8m+32=0
= 8m=-32
m= -32/8
m= -4
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