The Distributive Law

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The distributive law says that:

a(b + c) = ab + ac

Example 1:

2x(4x - 1)
= 8x2 - 2x

Example 2:

5x -x(4x - 1)
= 5x - 1x(4x - 1)
= 5x - 4x2 + 1x
= -4x2 + 6x

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