Question

factorise x^2 - 2 X - 63​

Answer 1

Answer:

(x - 9)(x + 7)

Step-by-step explanation:

${x}^{2} - 2x - 63 \\ {x}^{2} - 9x + 7x - 63 \\ x(x - 9) + 7(x - 9) \\ (x - 9)(x + 7) \\ x = 9 \: \: \: \: \: x = - 7$

hope you get your answer