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What is 6x^3 - 3x^2 + 7x - 4 when x = 5?
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29 votes
29 votes
What is 6x^3 - 3x^2 + 7x - 4
when x = 5?

User Shehary
by
2.6k points

2 Answers

19 votes
19 votes
Answer:
706

Explanation:
Substitute x=5 in the equation:
6(5)^3 - 3(5)^2 + 7(5) - 4
= 6(125) - 3(25) + 35 - 4
=750 - 75 + 35 - 4
=706
So the answer is 706
User Diarra
by
2.8k points
12 votes
12 votes

Explanation:


= {6x}^(3) - {3x}^(2) + 7x - 4


= 6 * 125 - 3 * 25 + 7 * 5 - 4


= 750 - 75 + 35 - 4


= 750 + 35 - 75 - 4


= 706..

User Meet Vora
by
2.8k points
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