@TristanBBBBB
Hi @JJONLINEMATHSCLASSchannel A nice way to visualize this is to make a drawing like a checkerboard with 8 rows and 8 columns. Now if you ignore the top row and the right column, then the remaining board is 7 rows and 7 columns. You removed 8 squares from the top row, and 7 squares going down the right side. That’s 8+7=15 removed. So the original checkerboard of 8 minus the smaller checkerboard of 7 leaves that 15. This is true for any consecutive squares: take the smaller square and just add a row on top and on one side, to get the next square.
@thomasmesfin585
a^2-b^2=(a+b)(a-b)
@pepperoniservice3557
You explained it really good but you forgot the main one
@JessicaChiwendu-hm8em
How it works...?! What happened to the 2's raised power?
@ElijahFreeman-k5d
Qn is that why are you adding yet there is a multiplication sign.
@totosesse7992
Meilleure prof
@Konoshinobi
So it only works if the difference is 1 and it's a subtraction?
@hawakarshe7904
You should explain the square root
@abdrrahmanaaboun4168
8^2-7^2=(8+7)(8-7)=(8+7)1=15×1=15
@Wendysalazar-9zcx
Pero eso funciona con numeros que se diferencian de 1.
@adangudhane336
Last 15
@benjaminnweke2692
Please do you have private class for kids of 10 yrs to 13 yrs
@HaftuGebretsadk
8+7=15 This is the answer. Because the difference between 8 squared ( 8×8=64) and 7 squared (7×7=49)is 15.
@adetunjiolajide48
Hi Genius how are you doing?. Forward march !!!
@LeonardSikuku-l5h
Good morning MADAM the answer is 15
@hendrickveiyo5679
The focus of the lesson is not addition
@MerkinehMena
8*8-7*7=15
@Serenity-iv2qh
This is not a general rule. When you raise the exponent to 3, it doesn't work.
@abdulrauf8360
Answer is 15
@jubrillasisi3599