Question 369383
{{{((x+9)/(x-3))-((x-6)/(x+3))}}}
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{{{((x+9)(x+3)-(x-6)(x-3))/((x+3)(x-3))}}}
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{{{((x^2+12x+27)-(x^2-9x+18))/((x+3)(x-3))}}}
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{{{((x^2+12x+27-x^2+9x-18))/((x+3)(x-3))}}}
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{{{((21x+9))/((x+3)(x-3))}}}
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{{{(3(7x+3))/((x+3)(x-3))}}}