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

asked Mar 9, 2018 67.7k views

3 votes

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1 vote

6 (5^3)+8
5*5*5
*6
+8
So your answer if you're evaluating is 758

Luwes answered Mar 11, 2018

by Luwes

6.5k points

2 votes

Just sub x in with 5.
So 6(5)^3+8(5) = 6 (125) + 40 = 750 + 40 = 790.
So 790

LShi answered Mar 14, 2018

by LShi

7.5k points

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