The expression x2 - 3x - 2x2 - 5x - 6-x2 - 5x - 4x2 - 7x - 12- when simplified- is

The correct option is D 1 x^2 3x+2x^2 5x+6÷x^2 5x+4x^2 7x+12 (x 2)(x 1)(x 2)(x 3)×(x 3)(x 4)(x 4)(x 1) =1 ...

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Componendo and Dividendo

The expressio...

Question

The expression $\frac{x^{2} - 3 x + 2}{x^{2} - 5 x + 6} \div \frac{x^{2} - 5 x + 4}{x^{2} - 7 x + 12}$ , when simplified, is

\frac{(x - 1) (x - 6)}{(x - 3) (x - 4)}

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\frac{x + 3}{x - 3}

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\frac{x + 1}{x - 1}

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\frac{x^{2} - 3 x + 2}{x^{2} - 5 x + 6} \div \frac{x^{2} - 5 x + 4}{x^{2} - 7 x + 12}

x^{2} + 5 x - 6

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