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nydus/The First Steps in AlgebraPublic

Page 177 of 226

Table of Contents

Cube Roots of Compound Expressions.

[2]Exercise18.

$2 a^{2} + 2 b^{2}$ .

$9 a^{2} - 2 a + 6$ .

$0$ .

$4 x + 4 y + 4 z$ .

$2 b + 2 c$ .

$4 a + 4 b + 4 c$ .

$3 a^{2} + 5 a - 2$ .

$8 a b + 3 a c$ .

$6 x^{3}$ .

$5 x^{2} + 3 x y - 2 y^{2}$ .

$a^{2} - 2 b^{2}$ .

$4 a^{3} + 6 a + 2$ .

$3 m^{3} + 7 m^{2} + 2$ .

$2 x^{3} - 2 x^{2} + 4 x + y$ .

$7 x^{3} + 7 x^{2} + 2$ .

$a^{3} + 3 a^{2} b - 5 a b^{2} - b^{3}$ .

$- a^{3} - a^{2} b - 2 a b^{2} - 2 b^{3}$ .

$2 x^{3} + 2 x^{2} y - x y^{2} + 6 y^{3}$ .

[2]Exercise19.

$a - b + c$ .

$2 a - 2 b + 6 c$ .

$2 a + 3 y - 8 z$ .

$x + 4 y + 5 z$ .

$2 a c + 2 b c$ .

$2 a b - 3 a c + 4 b c$ .

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