You can
put this solution on YOUR website!: x+4 over 3x + 4y times 9x squared - 16y squared over 2x squared + 5x - 12
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We can factor the difference of squares and the quadratic, so we have:

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Cancel out the (3x+4y) and the (x+4), you end up with:

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Did this make sense to you? Any questions?