Question

p(x)=x3-3x2-2x+6 at x=√2

Answer 1

5√2+6

(√2)3-3√2*2-2√2+6
3√2-6√2-2√2+6

Answer 2

Hi ,

P( x ) = x³ - 3x² - 2x + 6

If x = √2 ,

P( √2 )= ( √2 )³ - 3 ( √2 )² - 2( √2 ) + 6

= 2√2 - 6 - 2√2 + 6

= 0

I hope this helps you.

: )