What are two different ways of factoring –3x – 9? Select all that apply. A. –3(x + 3) B. 3(x + 3) C. 3(–x – 3) D. –3(x – 3)
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Divide both sides by -3
If the absolute value of a number is 4, that number can either be 4 or -4: we have the two solutions
