Question

$\frac{x + a}{x - a } = \frac{b - a}{b + a}$
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Answer 1

Answer:

$\frac{x + a}{x - a} = \frac{b - a}{b + a} \\ (x + a)(b + a) = (b - a)(x - a) \\ x(b + a) + a(b + a) = b(x - a) - a(x - a) \\ xb + xa + ab + {a}^{2} = bx - ba - ax + {a}^{2} \\ xb + xa + ab + {a}^{2} - bx + ba + ax - {a}^{2} = 0$

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