1.x.kuadrat+8x=0 2.7x.kuadrat-21x=0 3.8x-12x=0 4.x.kuadrat-x-27=0 5.x.kuadrat+21x=72 6.x .kuadrat-16x+15=0
Matematika
Mezgabs
Pertanyaan
1.x.kuadrat+8x=0
2.7x.kuadrat-21x=0
3.8x-12x=0
4.x.kuadrat-x-27=0
5.x.kuadrat+21x=72
6.x .kuadrat-16x+15=0
2.7x.kuadrat-21x=0
3.8x-12x=0
4.x.kuadrat-x-27=0
5.x.kuadrat+21x=72
6.x .kuadrat-16x+15=0
1 Jawaban
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1. Jawaban nadyailmi
1. x² + 8x = 0
x (x + 8) = 0
x = 0
x + 8 = 0
jadi, x = 0 x= -8