Question

x^2 -2x -3 কে দুটি বর্গের অন্তররূপে প্রকাশ করো।​

Answer 1

(x - 3)(x + 1)

Step-by-step explanation:

$= {x}^{2} - 2x - 3 \\ ={x}^{2} - (3 - 1)x - 3 \\ = {x}^{2} - 3x + x - 3 \\ = x(x - 3) + 1(x - 3) \\ = (x - 3)(x + 1)$

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