Mental Math Trick Proof | Square Any Number Ending in a 5 Fast! | Minute Math

[@y3flamex250]

Never stop making videos :D

[@MinuteMaths]

I won't!

[@brianeibert1647]

At the end…would you want to underline the x(x+1) to indicate that it will be a place value as opposed to being added to 25?

[@juanitabarrett765]

Evaluate 3 n 2 u for n = − 2 , u = − 5 help me please