Recent content by nat_94

sorry i typed the equations on word and copy andpasted them, they changed format. i mean (b) -√(25^2-24^2

i don't understand these equations and can't find a way to do them from my textbook or any websites please help.. (a) √(2^2+2 x 2+1) (b) -√(〖25〗^2-) 〖24〗^2 (c) (7x +y)^2 - (7x - y)^2