Question

find the real root of the equation
${x}^{3} + {x}^{2} + 3x + 4 = 0$
near
$x = - 1$
using newton raphson method​

Answer 1

2x/3+3x/2+15x/5+20/5=0

2x+3x+15x+20/5=0

50/5=0

10=0

x=10