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Mathematics for IGCSE & O level - Algebraic Manipulation (Section 8 - No. 31)

What is the correct factorization of 2x + 4?
2(x + 2)
x(2 + 4)
2x(1 + 2)
4(x + 1)

Explicaţie

The common factor of 2x and 4 is 2. Factoring out 2 gives 2(x + 2).

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