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Glencoe Math: Course 2, Volume 2 View details

4. The Distributive Property

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Exercise 27 Page 381

Be careful with negatives when distributing.

- 40

Practice makes perfect

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

(12-4)(- 5)

DiffToSum

a-b = a+(- b)

[12+(- 4)](- 5)

Distr

Distribute - 5

12(- 5)+(- 4)(- 5)

MultPosNeg

a(- b)=- a * b

- 12(5)+(- 4)(- 5)

MultNegNegTwoPar

(- a)(- b)=a* b