Mathematics for IGCSE & O level - Algebraic Manipulation (Section 6 - No. 25)

What is the expansion of 4(2x - 1)?

8x - 4

8x + 4

6x - 4

6x + 4

Giải thích

Applying the distributive property: 4*2x + 4*-1 = 8x - 4

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