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nydus/The First Steps in AlgebraPublic

Page 94 of 226

Table of Contents

VIII.

$x^{2} + 2 x y + y^{2}; x^{2} - y^{2}$ ; and $x^{2} - 2 x y + y^{2}$ .

$x^{3} - 27; x^{2} + 2 x - 15; x^{2} + 5 x$ .

$(a + b)^{2} - c^{2}; (a + b + c)^{2}$ ; and $a + b - c$ .

$x^{2} - (a + b) x + a b$ and $x^{2} - (a + c) x + a c$ .

$(a + b)^{2} - c^{2}$ and $a^{2} + a b + a c$ .

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