Solve the following equation:
$(x - 5) (x + 3) = (x - 7) (x + 4)$

11

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- 13

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- 15

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18

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Solution

The correct option is B $- 13$
$(x - 5) (x + 3) = (x - 7) (x + 4) x^{2} - 2 x - 15 = x^{2} - 3 x - 28 x = - 13$

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Similar questions

Solve the following equations :

$(x - 5) (x + 3) = (x - 7) (x + 4)$

0, 1

3 (\frac{7 x + 1}{5 x - 3}) - 4 (\frac{5 x - 3}{7 x + 1}) = 11; x \neq \frac{3}{5}, - \frac{1}{7}

\frac{3 x^{4} + x^{2} - 2 x - 3}{3 x^{4} - x^{2} + 2 x + 3} = \frac{5 x^{4} + 2 x^{2} - 7 x + 3}{5 x^{4} - 2 x^{2} + 7 x - 3}

15 + x = 5 x + 3

Solve the following equation :

15 + x = 5x + 3