Answer:
42
Step-by-step explanation:
Find the prime factorization of 126
126 = 2 × 3 × 3 × 7
Find the prime factorization of 420
420 = 2 × 2 × 3 × 5 × 7
To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 3 × 7
GCF = 42
Hello, thanks for using Brainly!
First, our equation is:
x 
Our first step is to simplify.
When you simplify you get 3 1/8.
This is another way you can get it: (Multiply across. )

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