Difference of Squares
Sum/Difference of Cubes
100

x2-36

What is (x+6)(x-6)?

100

x3-8

What is (x-2)(x2+2x+4)?

200

4y2-49

What is (2y+9)(2y-9)?

200
z3+27

What is (z+3)(z2-3z+9)?

300

9x2-1

What is (3x+1)(3x-1)?

400

16a2-81b2

What is (4a+9b)(4a-9b)?

500

49a2b2-64c2

What is (7ab+8c)(7ab-8c)?