Answer:
2
Step-by-step explanation:
Let x represent the number.
4x^2 = 8x . . . . . 4 times the square of a number is 8 times that number
4x^2 -8x = 0 . . . . subtract 8x
4x(x -2) = 0 . . . . . factor
x = 0 or x = 2 . . . . the product is zero when the factors are zero
The positive number is 2.
