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17 votes
Factorise 12x - 30 please help

User Kevin F
by
8.5k points

2 Answers

6 votes

Answer:

6(2x-5)

Explanation:

Find the Greatest Common Factor (GCF).

1 What is the largest number that divides evenly into 12x12x and -30−30?

It is 66.

2 What is the highest degree of xx that divides evenly into 12x12x and -30−30?

It is 1, since xx is not in every term.

3 Multiplying the results above,

The GCF is 66.

Factor out the GCF. (Write the GCF first. Then, in parentheses, divide each term by the GCF.)

6(\frac{12x}{6}-\frac{30}{6})

6(

6

12x

6

30

)

3 Simplify each term in parentheses.

6(2x-5)

6(2x−5)

User Aunlead
by
7.9k points
6 votes

Answer:

6(2x-5)

Explanation:

Fatorizar a expressão

User Pyae Phyoe Shein
by
9.3k points

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