Question

x(x^{2}+x} ).(x^{2} +x)

Answer 1

$x( {x}^{2} + x)( {x}^{2} + x)$

Simplificando

$({x}^{3} + {x}^{2} )( {x}^{2} + x) \\ {x}^{5} + {x}^{4} + {x}^{4} + {x}^{3} \\ {x}^{5} + {2x}^{4} + {x}^{3}$