Question

5+2x P(x)=x³+3x²+3x+1​

Answer 1

5+2x=0

2x=-5

X=-5/2

$x {}^{3} + 3x {}^{2} + 3x + 1$

$( - 5 \div 2) {}^{3} + 3( - 5 \div 2) {}^{2} + 3( - 5 \div 2) \\ + 1$

-125/8+3(25/4)-15/2+1

-125/8+75/4-15/2+1

-125+150-60+8/8

-185+158/8

-27/8

HOPE ITS HELPFUL TO YOU

Answer 2

i hope you like this solution.