Simplify- 3x2-x-2x2-7x-12-3x2-7x-6x2-4

3x^2 x 2x^2 7x+12÷3x^2 7x 6x^2 4 3x^2 3x+2x 2x^2 4x 3x+12×(x 2)(x+2)(3x^2 9x+2x 6) ⇒3x(x 1)+2(x 1)x(x 4) 3(x 4)×(x 2)(x+2)3x(x 3)+2(x 3) ⇒(3 ...

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Simplification of an Expression

simplify: 3x...

Question

simplify:
$\frac{3 x^{2} - x - 2}{x^{2} - 7 x + 12} \div \frac{3 x^{2} - 7 x - 6}{x^{2} - 4}$

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