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What is the value of 6x^3 +8x when x = 5

What is the value of 6x^3 +8x when x = 5
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3 votes
What is the value of 6x^3 +8x when x = 5

User StillLearnin
by
7.5k points

2 Answers

1 vote
6 (5^3)+8
5*5*5
*6
+8
So your answer if you're evaluating is 758
User Luwes
by
7.6k points
2 votes
Just sub x in with 5.
So 6(5)^3+8(5) = 6 (125) + 40 = 750 + 40 = 790.
So 790
User LShi
by
8.5k points
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