Question

x^3+3x^2+3x+1by 5+2x

please solve this​

Answer 1

x^3 + 3x^2 + 3x + 1

2x + 5 =0 or 2x = -5 or x = -5/2 = -2.5

R=(-2.5)^3 + (-2.5)^2 + 3 (2.5) +1 = -3.375

Answer 2

x^3+3^2+3x+1by5+2x

=x^3+3x^2+3x+1

2x+5=0 or x = -5/2= -2.5

R= (-2.5)^3 + (-2.5)^2 + 3(2.5) +1 = - 3.375