Apply the fraction rule $\frac{a}{c}-\frac{b}{c}=\frac{a-b}{c}$
$=\frac{x(x-1)-3(x+1)}{(x+1)(x-1)^{2}}$
Simplify $x(x-1)-3(x+1):{\quad}x^{2}-4x-3$
$=\frac{x^{2}-4x-3}{(x+1)(x-1)^{2}}$
Frequently asked questions (FAQs)
Question: What is the product when a mixed number of 3 and 1/4 is multiplied by the prime factorization of 72 plus the sum of all real numbers from -5 to 5?
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Math question: What is the derivative of f(x) = 3x^4 - 2x^3 + 5x^2 - 7x + 9 with respect to x?
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Math Question: Graph the inequality y > 2x - 3 on a coordinate plane. (