SOLUTION: Could someone help with me these problems please? Find the domain. Thank You! 8x^2 / x^2-9 . x2 + 6X + 9 / 16x^3 3y + 12 / 8y^3 ÷ 9y + 36 / 16y^3

Algebra ->  Rational-functions -> SOLUTION: Could someone help with me these problems please? Find the domain. Thank You! 8x^2 / x^2-9 . x2 + 6X + 9 / 16x^3 3y + 12 / 8y^3 ÷ 9y + 36 / 16y^3      Log On


   



Question 429580: Could someone help with me these problems please? Find the domain. Thank You!
8x^2 / x^2-9 . x2 + 6X + 9 / 16x^3
3y + 12 / 8y^3 ÷ 9y + 36 / 16y^3

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
8x%5E2+%2F%28x%5E2-9%29%2A%28+x2+%2B+6x+%2B+9%29%2F+%2816x%5E3%29
CANNOT have a ZERO in the demonimator
16x^3 ≠ 0 x ≠ 0
x^2-9 = (x+3)(x-3) ≠ 0 |x ≠ -3 and x ≠ 3
Domain {x| x ≠ 0 and x ≠ 3 and x ≠ -3}
Which says x can be any real number with the exception of the values listed