Mathematics for IGCSE & O level - Algebraic Manipulation (Section 7 - No. 12)
Which of the following are like terms?
3x and 5x
2x and 2y
4x^2 and 7x^2
2x and 3x^2
Giải thích
Like terms have the same variables raised to the same powers. 3x and 5x are like terms and 4x^2 and 7x^2 are like terms.