Jawaban:
1. x² - 8x + 16
= (x-4) (x-4)
x1 = 4
x2 = 4
x1 + x2 = 4+4 = 8 (D)
2. A
3. x² - 9x + 18 = 0
= (x-3)(x-6)
x1 = 3
x2 = 6
Jawabannya : B
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Jawaban:
1. x² - 8x + 16
= (x-4) (x-4)
x1 = 4
x2 = 4
x1 + x2 = 4+4 = 8 (D)
2. A
3. x² - 9x + 18 = 0
= (x-3)(x-6)
x1 = 3
x2 = 6
Jawabannya : B