Evaluate expressions with squares

Replace each letter with its value. Put parentheses around negative values.

1. Evaluate −2x² − 5 when x = −4.
2. Evaluate −4x² + 1 when x = −3.
3. Evaluate 5x² + 1 when x = 2.
4. Evaluate −4x² − 4 when x = −4.
5. Evaluate −5x² + 8 when x = 4.
6. Evaluate 9x² + 1 when x = 5.
7. Evaluate 9x² + 6 when x = −3.
8. Evaluate −3x² + 8 when x = −4.
9. Evaluate −4x² + 2 when x = −5.
10. Evaluate 2x² − 8 when x = −1.
11. Evaluate 3x² − 6 when x = −4.
12. Evaluate 6x² + 3 when x = 6.
13. Evaluate −4x² + 10 when x = −4.
14. Evaluate 4x² − 10 when x = −1.
15. Evaluate 2x² + 4 when x = 2.
16. Evaluate −6x² + 4 when x = −10.
17. Evaluate 16x² + 17 when x = −15.
18. Evaluate 11x² − 15 when x = −7.
19. Evaluate −3x² − 16 when x = 15.
20. Evaluate 11x² − 20 when x = −1.