Question

how much does x³-2x²+4x-1 exceed 3x³-2x²+5x+1 ?​

Answer 1

Answer:

$change \: the \: sign \: of \: each \: term \: of \: the \: expression \: - - x {}^{3} + x {}^{2} - 4x + 1$

Step-by-step explanation:

(3x2 - 5x + 6) + (-x3 + x2 -4x +1)

=3x2 - 5x + 6 - x3 + x2 -4x +1)

= -x3 + (3+1)x2 + (-5-4)x+6 +1

= -x3 +4x2 - 9x +7