Question

Given the following perfect square trinomial, fill in the missing term. (Do not type the variable in the blank.)

4x^2 + ___x + 49

Answer 1

if it is a perfect square it must be the square of
\[(2x+7)\] and
\[(2x+7)^2=4x^2+28x+49\]

Answer 2

thank youuuuu :)