Mathematics for IGCSE & O level - Algebraic Manipulation (Section 4 - No. 3)

What is the result of expanding -7(2x + 1)?

-14x + 7

-14x - 7

14x - 7

14x + 7

Explicaţie

-7(2x+1)=-7*2x -7*1=-14x-7

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