Question

r=x³-4x²+4x-6 when x=2

Answer 1

QUESTION:

$r= {x}^{3 } - 4 {x}^{2} + 4x - 6$

SOLUTION :

$r = {2}^{3} - 4( {2}^{2} ) + 4(2) - 6$

$r = 8 - 4(4) + 8 - 6$

$r = 8 - 16 + 2$

$r = - 8 + 2$

$r = ( - 6)$

Hope this helps you..!! ❤️

Answer 2

Answer:

-6

Step-by-step explanation:

r(x)=x³-4x²+4x-6

∴ r(2)=2³-4×2²+4×2-6

r(2)=8-16+8-6

r(2)= -6