Mathematics for IGCSE & O level - Algebraic Manipulation (Section 1 - No. 31)
Which of the following is a correct example of expanding a single bracket?
3(x + 2) = 3x + 2
3(x + 2) = 3x + 6
3(x + 2) = x + 6
3(x + 2) = 5x
Explanation
The multiplication of a single term to an expression within a bracket must be performed on each term inside the bracket
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