1.

Find the common factor of 4a2b3, -12a3b, 18a4b3​

Answer»

ANSWER:

Since

45

a

b

2

,

30

a

4

b

4

,

36

a

2

b

3

contain both numbers and variables, there are two STEPS to find the GCF (HCF). Find GCF for the numeric part then find GCF for the variable part.

Steps to find the GCF for

45

a

b

2

,

30

a

4

b

4

,

36

a

2

b

3

:

1. Find the GCF for the numerical part

45

,

30

,

36

2. Find the GCF for the variable part

a

1

,

b

2

,

a

4

,

b

4

,

a

2

,

b

3

3. MULTIPLY the values together

Find the common factors for the numerical part:

45

,

30

,

36

The factors for

45

are

1

,

3

,

5

,

9

,

15

,

45

.

Step-by-step explanation:

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