Question

(×+1)2 + (×-1)2 + 2 (×+1)( ×-1)


com resolvo essa expressão algébrica?????

Answer 1

(x^2 + 2x + 1) + (x^2 - 2x + 1) + 2(x^2 - 1) =

(x^2 + 2x + 1) + (x^2 - 2x + 1) + (2x^2 - 2) =

(1 + 1 + 2)x^2 + (2 - 2)x + (1 + 1 - 2) =

4x^2 + 0x + 0 =

4x^2