Question

to) what term should be added to each of the following express
to make it a perfect square?
4a²+28a
​

Answer 1

49 is the required term.

4a^2+28a+ 49 is ans

explanation::

(a+b) ^2= a2+ 2ab + b2

(2a+ 7) ^2 =( 2a)^2+ 2 x 2a x 7 + (7) ^2

(2a+ 7) ^2 = 4a^2+28a+ 49

this satisfies condition

pls mark me brainliest