12x^3 + 5x^2 +4x - 6
X=-1
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2
Answer:
answer is -17
Step-by-step explanation:
because 12×-1^3 + 5 × 1 + 4 × -1 -6
=12 ×-1 + 5 × 1 + 4 × -1 -6
= -12 + 5 + (-4) -6
= -22 + 5
= -17
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