Answer:
(ab + 2 )(ab + 5)
Step-by-step explanation:
[tex]a^2b^2 +7ab + 10[/tex]
[tex]a^2b^2 +2ab + 5ab + 10[/tex] [factors of 10 and that add up to 7 are 5 and 2]
[tex]ab(ab +2) +5(ab + 2)[/tex] [Taking common terms outside]
[tex](ab + 2 )(ab+ 5)[/tex]
