evaluate the following - copy and show your complete solution.

1. 5x - 3 for x = 11
2. 2x² - 1 for x = -8
3. -7x² + 3xy + y² for x = -3, y = 1
4. -5 - 3x³ for x = 10
5. 16 - x² for x = 4


Please help thankyou​