GCF
Adding/Subtracting
Multiplying
100

12a2+16a

4a(3a+4)

100

-2b2+5ab+7b2

5b2+5ab
100

-3mn(n2m5+2mn)

-3m6n3-6m2n2

200

10a3b2+15a2b-5ab3

5ab(2a2b+3a-b2)

200
(3aa-a+3)+(4a2-5)

7a2-a-2

200

z(5z-3)-2z

z(5z-1)

300

4k2+12k+8

4(k2+3k+2)

300

(2m-3+7m2)-(3-9m2-2m)

16m2+6m-6

300

3m(3m+6)-3(m2+4m+1)

6m2+6m-3

400

2b2+10b+12

2(b2+5b+6)

400

(7p2+3p)-(5p2+4)

2p2+3p-4

400

4a(5a2-4)+9a

20a2-7a

500

5x2y-15xy-140y

5y(x2-3x-28)

500

subtract (-a2-5ab+3b2) from (3a2-2ab+3b2)

4a2+3ab

500

2y2(y5-4y)

2y7-8y3

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