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find the GCF of each set monomials
18,45mn
12x, 49x²
5ab,6b²
14b,56b²
21x²y,63xy²

Sagot :

18: 2 · 2 · 3                      GCF: 3
45mn: 3 · 3 · 5 · m · n

12x: 2 · 2 · 3 · x              GCF: x
49x²: 7 · 7 · x · x

5ab: 5 · a · b                GCF: b
6b²: 2 · 3 · b · b
    
14b: 2 · 7 · b                      GCF: 2b
56b²: 2 · 2 · 2 · 7 · b · b
 
21x²y: 3 · 7 · x ·x · y              GCF: 3xy
63xy²: 3 · 3 · 7 · x · y · y