SOLUTION: Please help me answer this question. This is my performance task and I will pass this tomorrow. --Suppose that five times the cube of a number equals 80 times the number. Find
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Question 1097119: Please help me answer this question. This is my performance task and I will pass this tomorrow. --Suppose that five times the cube of a number equals 80 times the number. Find the number.--
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Suppose that five times the cube of a number equals 80 times the number. Find the number
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5x^3 = 80x
5x^3 - 80x = 0
5x*(x^2 - 16) = 0
x = 0
x = 4
x = -4
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