Question

Someone please help! Medal will be given!

Answer 1

To solve it by grouping you would first write: (x + ___)(x + ___) and figure out what goes in the ____'s. Turns out that a 5 works.
Also you might recognize that it's a special product: a perfect square. 1/2 of 10 squared gives you your 25. So you know if factors into (x + 5)^2