Mathematics for IGCSE & O level - Algebraic Manipulation (Section 6 - No. 39)

Which of the following is the correct factorization of 3x + 9?

3(x + 3)

3x(1 + 3)

9(x + 1)

x(3 + 9)

Обяснение

Greatest common factor is 3, 3(x+3)

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