Using identities (formula )evaluate and question is 78×82 idont understand what u have done in your equation
Answers
Answered by
0
78x82
=(80-2)(80+2)
=(80)(80) - (2)(2) {since (a+b)(a-b)= a^2 - b^2}
=6400 - 4
=6396
If u understood, plzz Mark as brainliest
=(80-2)(80+2)
=(80)(80) - (2)(2) {since (a+b)(a-b)= a^2 - b^2}
=6400 - 4
=6396
If u understood, plzz Mark as brainliest
Similar questions