a^2 + 2ab + b^2 = (a + b)^2 x^2 + 6x + 9 = (x + 3)^2 a = x, b = 3 a is a variable? I ask this cos m…

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Thomas Carlson

11 months ago

a^2 + 2ab + b^2 = (a + b)^2 x^2 + 6x + 9 = (x + 3)^2 a = x, b = 3 a is a variable? I ask this cos m…

a^2 + 2ab + b^2 = (a + b)^2 x^2 + 6x + 9 = (x + 3)^2 a = x, b = 3 a is a variable? I ask this cos m…