Mathematics for IGCSE & O level - Algebraic Manipulation (Section 1 - No. 26)

When simplifying an expression like 3x + 2x - x, what is the result?

4x

6x

5x

0

Giải thích

3x + 2x - x = (3+2-1)x = 4x

Bình luận (0)

Quảng cáo