3 years ago

Three times the square of a non-zero number is equal to fifteen times the number.what is the number?

1 answer:

8 0

5 because you subtract 15x and bring it to 3x^2 and get 3x^2-15x=0. Then take out the gcf and you get 3x(x-5)=0. Since it can't be 0, x-5=0 , the answer is 5.

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