Tentukan persamaan kuadrat baru jika diketahui akar akarnya:
A). 2 dan -5
A). 2 dan -5
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Verified answer
Penjelasan dengan langkah-langkah:
x1 = 2; x2 = -5
maka persamaan kuadrat baru
= (x-2)(x+5)
= (x²+5x-2x-10)
= (x²+3x-10)
Semoga membantu :)
nah x1 = 2, x2 = -5
jadi (x - 2)(x + 5) = 0
jadi x² -2x + 5x -10 = 0
jadi x² + 3x -10 = 0