Question

Сократите дробь:
Х^2-9/2х^2-12х+18

Answer 1

$\frac{ {x }^ {2} - 9 }{2 {x}^{2} - 12 {x} + 18 } = \frac{(x - 3)(x + 3)}{2( {x}^{2} - 6x + 9) } = \frac{(x - 3)(x + 3)}{2(x - 3) {}^{2} } = \frac{x + 3}{2(x - 3)} = \frac{x + 3}{2x - 6}$