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nydus/The First Steps in AlgebraPublic

Page 78 of 227

Table of Contents

Case III.

$36 n^{2} - (d - 2 c)^{2}$ .

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

$(x - y)^{2} - (a - b)^{2}$ .

$(2 x + 3)^{2} - (2 a + b)^{2}$ .

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

$(3 x - y)^{2} - (2 a - b)^{2}$ .

$(x - 3 y)^{2} - (a + 2 b)^{2}$ .

$(x + 2 y)^{2} - (a + 3 b)^{2}$ .

$(x + y)^{2} - (a - z)^{2}$ .

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