Question

Factorise x² + 5x - 24

Answer 1

⟹ x² + 5x - 24

⟹ x² + (8 - 3)x - 24

⟹ x² + 8x - 3x - 24

⟹ x (x + 8) - 3(x + 8)

⟹ (x + 8)(x - 3)

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