Factor by GCF
Difference of two Squares
Difference of two squares
Sum Difference of two cubes
100

3x+6

3(x+2)

100

a2 - 81

(a+9)(a-9)

Solution : (a+b)(a-b)

Square root of a2 is a
Square root of 81 is 9 

a will be your a value

9 will be your b value


100

x2-36

(x+6)(x-6)

100

x3-27

(x-3)(x2+3x+9)

200

x5+x7

x5(1+x2)

200

b2 - 1

(b+1)(b-1)

Solution : (a+b)(a-b)

Square root of b2 is b
Square root of 1 is 1 

b will be your a value

1 will be your b value

200

x2-25

(x+5)(x-5)

200

8y3+1

(2y+1)(4y2-2y+1)

300

12x3-16x6

4x3(3-4x3)

300

16x2 - 36

(4x+6)(4x-6)

Solution :

Square root of 16 is 4
Square root of 36 is 6

4 will be your a

6 will be your b

300

36-4x2

(6+2x)(6-2x)

300

m3-64

(m-4)(m2+4m+16)

400

9x2y4z8-27xy3z4

9xy3z4(xyz4-3)

400

16x2 - 144

(4x-12)(4x+12)

Solution : (a+b)(a-b)

Square root of 16x2 is 4x
Square root of 144 is 12

4x will be your a value

12 will be your b value

400

16x2-9y2

(4x+3y)(4x-3y)

400

64d3-125

(4d-5)(16d2+20d+25)

500

4x+8

4(x+2)

500

196a- 81a2

(14a+9a)(14a-9a)

Solution : (a+b)(a-b)

Square root of 196a2 is 14a
Square root of 81a2 is 9a

14a will be your a value

9a will be your b value

500

49-p2

(7+p)(7-p)

500

125+8q3

(5+2q)(25-10q+4q2)