egracewinston egracewinston
  • 12-02-2021
  • Mathematics
contestada

The area of a square is 4x^2+28x+49. What expression represents the length of each side of the square?

Respuesta :

2565579
2565579 2565579
  • 16-02-2021

Answer:4x^2 +28x +49=(2x +7)^2

Step-by-step explanation:

a2±2ab+b2=(a±b)2

In this case

a=2x and b=7 ...

4x2+28x+49=(2x)2+(2⋅

(2x)⋅

7)+72=(2x+7)2

Answer Link

Otras preguntas

Is a haircut a physical or chemical change?
what were three features of Shang culture
Members of a society have a variety of jobs. Some act as farmers, while others work as masons, artisans, and priests. Which of the following is necessary for th
A yogurt costs 55p .How many yogurts can be bought for six pounds?
What is 1/6 of 42 How to solve it
What is this Hola! Como Estas
After the September 11 attacks, NATO invoked Article 5 of its treaty which stated that allied nations must support a. a nation under attack. c. a nation attacki
The most visible new black organizations in the South were a. military clubs. b. colleges. c. churches. d. political parties.
A triangle with two congruent sides is always a(n)_______________ triangle. a. right b. scalene c. isosceles d. equilateral
Which of the following Ancient Greek concepts was NOT a significant influence on Western civilization? •Religion •Art •Mathematics •Philosophy