Question

x² - 4x - 77 factorise ​

Answer 1

${x}^{2} - 4x - 77 \\ \\ = > {x}^{2} - 11x + 7x - 77 \\ \\ = > x( x - 11) + 7(x - 11) \\ \\ = > (x - 11)(x + 7)$

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Answer 2

Answer:

x2 - 4x - 77

x2 - 11x + 7x

x ( x - 11) + 7 (x - 11)

(x - 11) (x + 7)

Hope it will help you