factor the polynomials by finding the GCF 1. 3x+12 2. 7y7 3. 5x+30y 4. 8m+36n please help i don't understand this
Mathematics
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Question
factor the polynomials by finding the GCF
1. 3x+12
2. 7y7
3. 5x+30y
4. 8m+36n
please help i don't understand this
1. 3x+12
2. 7y7
3. 5x+30y
4. 8m+36n
please help i don't understand this
1 Answer

1. User Answers iGreen
3x + 12
The GCF here is 3.
3x / 3 = x
12 / 3 = 4
So we have 3(x + 4)
7y  7
The GCF here is 7.
7y / 7 = y
7 / 7 = 1
So we have 7(y  1)
5x + 30y
The GCF here is 5.
5x / 5 = x
30y / 5 = 6y
So we have 5(x + 6y)
8m + 36n
The GCF here is 4.
8m / 4 = 2m
36n / 4 = 9n
So we have 4(2m + 9n)