Mathematics for IGCSE & O level - Algebraic Manipulation (Section 8 - No. 6)
Which expressions are equivalent?
3x + 2x and 5x
4(x+2) and 4x + 2
x^2 + 2x and x(x+2)
x - 2 and 2 - x
Explanation
3x + 2x is 5x. x^2 + 2x and x(x+2) has the same value when applying distributive property.
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