Quadratic Equation to solve Problems
Fifteen times the square of a nonzero number is equal to 12 times the number, what is the number?
Carol H.
answered • 07/23/17
Masters' Degree in Mathematics with 35 Years of Teaching Experience
15x2 = 12x
15x2 - 12x = 0
3x(5x - 4) = 0
3x = 0 or 5x-4 = 0
x = 0, not applicable x = 4/5
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