Mathematics for IGCSE & O level - Algebraic Manipulation (Section 6 - No. 43) | ExamPlay

Mathematics for IGCSE & O level - Algebraic Manipulation (Section 6 - No. 43)

Expand and simplify: (x+1)(x-5)

x^2 - 4x - 5

x^2 + 4x - 5

x^2 - 6x + 5

x^2 + 6x + 5

Explanation

Using FOIL: x^2 -5x + x -5 = x^2 - 4x - 5

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