Answer
$x^3+3x^2-2x-4$
Work Step by Step
Multiply each term in the first parentheses set by each term in the second parentheses set.
$(x+1)(x^2+2x-4)$
$x^3+2x^2-4x+x^2+2x-4$
Combine like terms
$x^3+3x^2-2x-4$
To put in polynomial standard form, make sure to rearrange the numbers by degree from high to low going left to right
