Winter
Spring
100
x2 + 10x + 16
(x + 2)(x + 8)
100
y2 - 19y + 84
(y - 7)(y-12)
200
b2 - 6b - 27
(b - 9)(b + 3)
200
x2 + 11xy + 30y2
(x + 6y)(x + 5y)
300
24 - 5x - x2
(x + 8)(3 - x)
300
x2 - 6x - 8
nonfactorable
400
2x2 + 9x + 4
(2x + 1)(x + 4)
400
2x2 - 13x - 24
(x - 8)(2x + 3)
500
3y2 - 22y + 39
(3y - 13) (y - 3)
500
8a2 + 61ab - 24b2
(8a - 3b)(a + 8b)
M
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u