Question

(x+2)la a dua+(x-1)la a doua

Answer 1

X^2+4x+4+x^2-2x+1= 2x^2+2x+5

Answer 2

$(x+2) ^{2} +(x-1) ^{2} = x^{2} +4x+4+ x^{2} -2x+1=2 x^{2} +2x+5$