Question

Qual é o resultado de... (X+1)^2=

Answer 1

(x+1)²= (x+1)*(x+1)= x* (x+1)+(x+1)==x²+x+x+1= x²+2x+1

Answer 2

(x+1)²= (x+1)*(x+1)= x* (x+1)+(x+1)==x²+x+x+1= x²+2x+1 

delta= $2^{2} - 4(1)(1) delta= 4 - 4 = 0 x= - 2 + \sqrt{0} / 2(1) x= 2 + 0 / 2 = 0$