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GCF

100

3a²-6a         

3a

200

8x²+6x-2

2

300

9x-3x+12

3

400

10x²-25x

5x

differences of squares

100

x²-9

(x-3)(x+3)

200

x⁴-81

(x²-9) (x²+9)

300

x⁴-25

(x²-5)(x²+5)

400

(x²-4)(x²+4)

x⁴-16x

grouping

100

 2xy+4xy+xz+2xz

(2xy+xz)(1+2)

200

 3x²+xy-12x-4y

(x-4)(3x+y)

Factoring polynomials

100

3a³-6a

3a(a²-2)

200

x²-9

(x-3)(x+3)

300

x²+5x+6

(x+3)(x+2)