Respuesta :
[tex]{a}^{2} b \: (7 + 10 \: b + 14 \: {b}^{2} )[/tex]
[tex]\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}[/tex]
[tex]7 \: {a}^{2} b + 10 \: {a}^{2} {b}^{2} + 14 \: {a}^{2} {b}^{3} \\ = {a}^{2} b \: (7 + 10 \: b + 14 \: {b}^{2} )[/tex]
[tex]\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{.}}}}}[/tex]