Question

factorise x² - 3x + xy - 9​

Answer 1

Answer:

x(x-3) 1(xy-9)

Step-by-step explanation:

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Answer 2

Answer:

$x^2-3y+xy-9 \\\\ x^2-9+xy-3y \\\\ x^2-3^2-y(x-3) \\\\ \text{Using formula, a^2-b^2=(a+b)(a-b) } \\\\ (x+3)(x-3)+y(x-3) \\\\ \text{Taking (x-3) common } \\\\ \bold{(x-3)(x+3+y)}$