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5 Cards in this Set

  • Front
  • Back
Supplementary angles
add to 180 on a straight line
(x+y) (x- y) =
x^2 - y^2
(a + b) (c+ d) =
ac + ad +bc +bd
(x-y)^2
x^2 - 2xy + y
(x + y ) ^2 =
x^2 + 2xy +y