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Glencoe Math: Course 2, Volume 2 View details

4. The Distributive Property

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Exercise 2 Page 378

Be careful with negatives when distributing.

- 10x - 20y

Practice makes perfect

We are asked to rewrite the given expression using the Distributive Property. To do so, we need to distribute - 5 to the terms inside the parentheses.

- 5(2x+4y)

Distr

Distribute - 5

- 5(2x) + (- 5)(4y)

MultNegPos

(- a)b = - ab

- 5(2x) + [- 5(4y)]

Multiply

- 10x + [- 20y]

AddNeg

a+(- b)=a-b

- 10x - 20y