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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
4. Factorizing Expressions
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Exercise 2 Page 110

Rewrite each term as a product of its prime factors to find the greatest common factor (GCF) between the terms.

4(y-5)

Practice makes perfect
To factor the expression, we have to find the greatest common factor (GCF) between the terms. Let's then rewrite each term as a product of its prime factors. 4y&= 2* 2 * y 20&= 2* 2 * 5 In this case, the GCF is 2 * 2 = 4. We are going to rewrite each term as 4 multiplied by some factor. Then we will use the Distributive Property to factor the expression. Let's go!
4y-20
SplitIntoFactors

Split into factors

4 * y-4 * 5
FactorOut

Factor out 4

4(y-5)
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arrow_right Try It p.110-111
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Try It 2 (Page 110)
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arrow_right Self-Assessment for Concept & Skills p.111
Self-Assessment for Concept & Skills 9 (Page 111)
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arrow_right Self-Assessment for Problem Solving p.112
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arrow_right Review & Refresh p.113
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arrow_right Concept, Skills, & Problem Solving p.113-114
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