Mathematics
488Chris
2015-11-10 04:25:27
Three times the square of a certain positive number exceeds six times the number by nine. find the number:
ANSWERS
kalpinay123
2015-11-10 10:39:44

with the number being x, we have 3x^2>6(x/9). Expanding, we get 3x^2>6x/9 and 3x^2>2x/3. Dividing by x, we get 3x>2/3 and dividing by 3 we get x>2/9

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