Symbol
Problem
Polynomial Equations Degree Roots Number of Real Roots 1, $\left(x-1\right)\left(x+2\right)=0$ $1,2$ 2. 2. $2x\left(x-3\right)\left(x+2\right)=0$ 3 $2$ $0,3$ $3.$ $\left(x+2\right)^{3}\left(x-2\right)=0$ 4 -2 multiplicity $3$ 2 $4$ $\left(x-2\right)\left(x+2\right)\left(x-4=0$ $5$ $x\left(x-1\right)^{2}\left(x+2\right)=0$ $6$ $\left(x+4\right)^{2}\left(x-1\right)^{3}=0$ $7$ $\bar{\left(x+5\right)\left(x+1\right)=0}$ $8$ $x^{2}\left(x-1\right)\left(x+1\right)=0$