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: In a right triangle, if the length of the adjacent side is 10 units and the measure of the angle is 30 degrees, what is the length of the opposite side?
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What is the vertex of the parabola given by the equation 𝑦 = 3x^2?
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Math Question: In a triangle ABC, if AB = 7 cm, AC = 9 cm, and ∠C = 60°, find the length of BC using the Sine Law.