[tex]1. \: {a}^{2} - 17a + 52[/tex]
[tex]2. \: {30y}^{4} - {10y}^{2 } - 63[/tex]
[tex]3. \: {5a}^{2} - 35a - 90[/tex]
[tex]4. \: {16a}^{2} - 88a + 121[/tex]
[tex]5. \: - {4x}^{4} + { {18x}^{2} }^{} - 32 x - 37[/tex]
CORRECT OR WRONG ALWAYS GIVE POSITIVE COMMENT
BRAINLEST ME,IF I'M CORRECT
