## College Algebra 7th Edition

Published by Brooks Cole

# Chapter P, Prerequisites - Section P.5 - Algebraic Expressions - P.5 Exercises - Page 36: 51

#### Answer

4x$^2$+12xy+9y$^2$

#### Work Step by Step

(A+B)$^2$=A$^2$+2AB+B$^2$ (2x+3y)$^2$ (2x)$^2$+2(2x)(3y)+(3y)$^2$ 4x$^2$+12xy+9y$^2$

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