Question

Factorise the following expressions.x square - 3 x - 54 ​

Answer 1

Answer: x 2-3×54

Step-by-step explanation:

Answer 2

${x}^{2} - 3x - 54$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 54 = - 9 \times 6 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 3 = - 9 + 6$

${x}^{2} + 6x - 9x - 54 \\ x(x + 6) - 9(x + 6) \\ (x - 9)(x + 6)$

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