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Multiply the coefficient by all the values inside the brackets.

Example 1:

2(y+1)

= 2 X y + 2 X 1

= 2y + 2

Example 2:

3 X 5y(y+4)

= 3 X (5y X y) + (5y X 4)

= 3 X 5y2 + 20y

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14y ago

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