Question

Find the value of c such that the expression is a perfect-square trinomial.

x2 +16x+c
(Simplify your answer. Type an integer or a fraction.)

Answer 1

C = 64

Explanation:

`{x}^(2) + 16x + c \\ = {x}^(2) + 2.8.x + {8}^(2) \\ = {x}^(2) + 2.8.x + 64 \\ \huge \red{ \boxed{ \implies \: c = 64}}`