(-160)
= 7x + 5x - 23x³
x = 2
= 7(2) + 5(2) - 23(2³)
= (7 × 2) + (5 × 2) - 23(2 × 2 × 2)
= 14 + 10 - 23(2 × 4)
= 14 + 10 - 23(8)
= 14 + 10 - (23 × 8)
= 14 + 10 - 184
= 24 - 184
= (-160)
7x + 5x - 23x³
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(-160)
Penyelesaian
= 7x + 5x - 23x³
x = 2
= 7x + 5x - 23x³
= 7(2) + 5(2) - 23(2³)
= (7 × 2) + (5 × 2) - 23(2 × 2 × 2)
= 14 + 10 - 23(2 × 4)
= 14 + 10 - 23(8)
= 14 + 10 - (23 × 8)
= 14 + 10 - 184
= 24 - 184
= (-160)
7x + 5x - 23x³
x = 2