Question

Which expression is equivalent to 2x+​7^​2

Answer 1

Answer:

the correct answer is

$4 {x}^{2} + 28x + 49$

Answer 2

Answer:4x^2+28x+49

Step-by-step explanation:

(2x+7)^2

(2x+7)(2x+7)

Open brackets

4x^2+14x+14x+49

4x^2+28x+49