Need help on number 14 pls

Answer:
[tex]2 \: and \: - 7[/tex]
to find the zeros of an equation,
equate it to zero
thus
[tex](x - 2) = 0[/tex]
and
[tex](x + 7) = 0[/tex]
solving them one after the other
[tex]x - 2 = 0[/tex]
[tex]x = 2[/tex]
and
[tex]x + 7 = 0[/tex]
[tex]x = - 7[/tex]