contestada

Sam decides to build a square garden. If the area of the garden is 4x2 + 28x + 49 square feet, what is the length of one side of the garden?

A. (2x + 7) feet
B. (7x + 2) feet
C . (2x − 7) feet
D. (7x − 2) feet

Respuesta :

Nirina7
the formula of a square area is A = L²
so if A = 4x2 + 28x + 49, so the other length is A. (2x + 7) feet
proof 

L=(2x + 7), L²= (2x + 7)² =4x2 + 28x + 49,
4804167154

Answer:

A. (2x+7)

Step-by-step explanation: