Bentuklah persamaan dari akar-akar 1.X1=5 dan X2=–7 2.X1=–8 dan X2=–6

Bentuklah persamaan dari akar-akar

1.X1=5 dan X2=–7
2.X1=–8 dan X2=–6

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Penjelasan dengan langkah-langkah:

Bentuklah persamaan dari akar-akar

1.X1=5 dan X2=–7

x² –  (x1 + x2)x + (x1. x2) = 0
x² – (5- 7) x + (5)(-7) =0
x² – (-2) x + (-35) =0
x² + 2x – 35 =0

 

 

2.X1=–8 dan X2=–6

x² – (x1 + x2) x +  (x1)(x2) =0
x² – (-8 -(-6)) x + (-8)(-6) =0
x² -(8+6) x + ( 48) =0
x² – 14 x +  48 = 0

 

 

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