Question

x²/4+2x-5 factorise it​

Answer 1

Step-by-step explanation:

$\frac{ {x}^{2} }{4 + 2x - 5} \\ = \frac{ {x}^{2} }{2x - 1 } \\ = {x}^{2} - 2x + 1 \\ = {x}^{2} - (1 + 1)x + 1$

$= {x}^{2} - x - x + 1 \\ = x(x - 1) - 1(x - 1) \\ = (x - 1)(x - 1) \\ = (x - 1) {}^{2}$