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McGraw Hill Glencoe Algebra 2, 2012

MH

McGraw Hill Glencoe Algebra 2, 2012 View details

Standardized Test Practice

Exercise 1 Page 380

When removing parentheses with a negative in front, all signs inside the parentheses must be changed.

B

Practice makes perfect

To simplify the given expression, we have to remember that when removing parentheses with a negative in front, all signs inside the parentheses must be changed.

( 5n^2+11n-6 ) -( 2n^2-5 )

Remove parentheses

5n^2+11n-6 -( 2n^2-5 )

Distribute - 1

5n^2+11n-6 -2n^2+5

Add and subtract terms

3n^2+11n-1

This corresponds to answer B.

Subchapter links

Exercises p.380-381