Question

(x+1)la puterea 4....e urgennttt ma puteti ajuta va rooog?

Answer 1

$(x+1)^{4} =\\= [(x+1)^{2} ]^{2} =\\=(2 x^{2} +2x+1)^{2}=\\=4 x^{4} +4 x^{2} +1+8 x^{3} +4x+4 x^{2} =\\=4 x^{4} +8 x^{3} +8 x^{2} +4x+1$