$$1 + 2 x - 3 x ^ { 2 } , 1 - x$$
$\left(1-x\right)\left(3x+1\right)$
$$\left(x-1\right)\left(3x+1\right)$$
$$3x^{2}-2x-1$$
Show Solution
Hide Solution
$\left(1-x\right)\left(3x+1\right),1-x$
