Question

I need full formula please how to do ​

Answer 1

(ᴀ+ʙ)^2 = ᴀ^2 + 2ᴀʙ + ʙ^2

Answer 2

${\underline{\underline{\huge{{\bold {Formulas }}}}}}$

• a2 – b2= (a – b)(a + b)

• (a+b)2 = a2 + 2ab + b2

• a2 + b2 = (a – b)2+ 2ab

• (a – b)2 = a2 – 2ab + b2