Question

Factor the expression completely

20b - 16

Answer 1

20 and 16 both can be divide by which number

Answer 2

FACTORS of 20 and 16
20: 1 x 20
: 2 x 10
: 4 x 5
20: 1,2,4,5,10,20
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16: 1 x 16
: 2 x 8
: 4 x 4
16: 1,2,4,8,16
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From the factors above, the greatest common factor that we can get between 20 and 16 is 4.. then we can say that the common factor for 20 and 16 is 4
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20b - 16 then will be
20b - 16 = 4(5b-4)

Answer 3

there can be more than one you need the highest number