Mathematics for IGCSE & O level - Algebraic Manipulation (Section 5 - No. 33)
Which expression results after applying distributive property on 3(2a + 4b - 1)?
6a + 12b - 1
6a + 12b - 3
6a + 4b - 1
5a + 7b - 3
คำอธิบาย
Applying the distributive property: 3 * 2a + 3 * 4b + 3 * -1 = 6a + 12b - 3