# Chapter 4 - Section 4.4 - Multiplying Polynomials - 4.4 Exercises: 60

$t^{2}+4t+4$

#### Work Step by Step

From Page 302, we know that the square of a binomial sum $x+y$ is given by the following equation: $(x+y)^{2}=x^{2}+2xy+y^{2}$ Therefore, $(t+2)^{2}=t^{2}+2(t)(2)+2^{2}=t^{2}+4t+4$.

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