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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

5. Quadratic Inequalities

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Exercise 81 Page 213

Be careful of negatives when distributing.

- c+d

Practice makes perfect

We will begin simplifying by distributing the -1 to the terms inside the parentheses.

- 1(c-d)

Distribute - 1

- c-(- 1)d

MultNegNegOnePar

- a(- b)=a* b

- c+d

Since - c and d are not like terms, the expression cannot be simplified further.

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Exercises p.210-213