Topic 4-5: Factor Expressions
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Factor using the GCF: -4x - 28
-4(x + 7) or 4(-x - 7)
Factor using the positive GCF: 6x - 18 - 12y
6(x - 3 - 2y)
Factor using the positive GCF: 14x + 49
7(2x + 7)
What operation does factoring use?
Division
True or False: 3(4 + 10y) is the same as 6(2 + 5y)
True. Both factored expressions can be expanded to 12 + 30y
True or False: In order to factor an expression, you must find the GCF of the terms.
True. Finding the greatest common factor will help you factor out the largest common part of the term
