Perfect Square
4
What is 2?
2 and 10
What is 2?
(x+3)(x-3)
What is x2 - 9?
(x+3)2
What is x2 + 6x +9?
x2 +8x +15
What is (x+3)(x+5)?
16
What is 4?
5 and 65
What is 5?
z2 -49
What is (z+7)(z-7)?
(7u-3)2
What is 49u2 -42u +9?
(x-6)(x-4)
What is x2 -10x +24?
81
What is 9?
36 and 54
What is 18?
4n2 -25
What is (2n+5)(2n-5)?
16s -40st+25t2
What is (4s-5t)2 ?
(x+4)(x-5)
What is x2 -x -20?
121
What is 11?
100 and 80
What is 20?
(4r2-25)(4r2+25)
What is 16r4 -625?
4x2 -20x +25
What is (2x-5)2?
a2 + 29a -30
What is (a+30)(a-1)?
256
What is 16?
11 and 23
What is Prime?
81a2 -25x6
What is (9a +5x3)(9a-5x3)?
9p4 -12p2q2 +4q4
What is (3p2 -2q2)?
x2 - 4kx -12k2
What is (x+2k)(x-6k)?