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McGraw Hill Glencoe Algebra 2, 2012

MH

McGraw Hill Glencoe Algebra 2, 2012 View details

Standardized Test Practice

Finish the assignment

Exercise 3 Page 446

Begin with the Distributive Property.

B

Practice makes perfect

To simplify the given expression, we will use the Distributive Property.

3a (2a+1 ) -(2a-2)(a+3)

Distribute 3a

6a^2+3a -(2a-2)(a+3)

Distribute (2a-2)

6a^2+3a -(2a-2)a-(2a-2)3

Distribute a

6a^2+3a -2a^2+2a-(2a-2)3

Distribute 3

6a^2+3a -2a^2+2a-6a+6

Add and subtract terms

4a^2-a+6

This corresponds to answer B.

Subchapter links

Exercises p.446-447