Question

Twenty times the square of a non-zero number is equal to 15 times the number

Answer 1

i think that the answer is 5

Answer 2

20x^2 = 15x
20x^2 - 15x = 0
5x(4x - 3) = 0 
5x = 0, x =0
4x -3 = 0, x = 3/4

answer
non-zero number is 3/4