Factoring using the GFC 7th Grade

Factoring

100

6x+9

3(2x+3)

200

8a+12b

=4(2a+3b)

300

15x+25

=5(3x+5)

400

14z+28j

=14(z+2j)

500

20x+30y

=10(2x+3y)

Factoring with Rational Numbers

100

4/5x−6/5y

=2/5(2x−3y)

200

6/7x−12/7

 =6/7(x−2)

300

3/5a−9/5b

=3/5(a−3b)

400

2/3x+8/9y

=2/9(3x+4y)

500

3/5x−9/5y

=3/5(x−3y)

Factoring (Harder)

100

 100x + 80y

20 (5x + 4y)

200

18x + 72

9 (2x + 8)

 

300

45x + 25

5 (9x + 5)

400

14x + 42

14(x + 3)

500

36x + 60y

12( 3x + 5y)

Also Known As ( Vocab)

100

The process that we use to divide fractions.

Multiplying by the Reciprocal

200

the number that we factor the expression by

the Greatest Common Factor (GCF)

300

what x and y are in the following expression 4x - 9y

Variables

400

What the coefficient in this expression is:

4x-3

4

500

the number that we find using the denominators in an expression with rational numbers

Least Common Multiple