f(x) = 6x cubed + 5x squared + 10 over 2x squared - 9 6x3 + 5x2 + 10 2x2 – 9
f(x) = x over x squared - 1 x x2 – 1
f(x) = (2x - 1)(2x + 1) over 4x squared + 4x + 1 (2x – 1)(2x + 1) x2 + 1
f(x) = x sqaured over x squared + 7x + 12 x2 x2 + 7x + 12
f(x) = x sqaured + 5x + 6 over (2x + 1)(2x - 1) x2 + 5x + 6 (2x + 1)(2x – 1)
f(x) = x over x squared - 1 (x − 1) (x2 − 1)
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