Question

Factorise the following

x^3 - 4x - 32​

Answer 1

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${x}^{ 2} - 4x - 32 \\ {x}^{2} - (8 - 4)x - 32 \\ {x}^{2} - 8x + 4x - 32 \\ x( x - 8) + 4(x - 8) \\ (x - 8)(x + 4)$