Mathematics for IGCSE & O level - Algebraic Manipulation (Section 6 - No. 42) | ExamPlay

Mathematics for IGCSE & O level - Algebraic Manipulation (Section 6 - No. 42)

What is the expanded form of (x-1)(x+3)?

x^2 + 2x - 3

x^2 - 2x - 3

x^2 - 2x + 3

x^2 + 2x + 3

Explanation

Using the FOIL method: x^2 +3x -x -3 = x^2 + 2x - 3

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