Jawaban:
191
Penjelasan dengan langkah-langkah:
Cara Horner
3 | 1 -15 71 -105
| 3 -36 105
------------------------------- +
1 -12 35 0
(x - 3) (x² - 12x + 35) = 0
(x - 3) (x - 5) (x - 7) = 0
x = 3 atau x = 5 atau x = 7
Jadi p = 3, q = 5, r = 7
[3 x 5 x (7 + 1)] + [(3 + 5) x (7 + 1)] + 7
= (15 x 8) + (8 x 8) + 7
= 120 + 64 + 7
= 191
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Jawaban:
191
Penjelasan dengan langkah-langkah:
Cara Horner
3 | 1 -15 71 -105
| 3 -36 105
------------------------------- +
1 -12 35 0
(x - 3) (x² - 12x + 35) = 0
(x - 3) (x - 5) (x - 7) = 0
x = 3 atau x = 5 atau x = 7
Jadi p = 3, q = 5, r = 7
[3 x 5 x (7 + 1)] + [(3 + 5) x (7 + 1)] + 7
= (15 x 8) + (8 x 8) + 7
= 120 + 64 + 7
= 191