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Find the values of the following express...

Find the values of the following expressions for x = 2.
`19 – 5x^2`

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PSEB-Algebraic Expressions-EXAMPLE
  1. Find the values of the following expressions for x = 2. x + 4

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  2. Find the values of the following expressions for x = 2. 4x – 3

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  3. Find the values of the following expressions for x = 2. 19 – 5x^2

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  4. Find the values of the following expressions for x = 2. 100 – 10x^3

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  5. Find the value of the following expressions when n = – 2. 5n – 2

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  6. Find the value of the following expressions when n = – 2. 5n^2 + 5n –...

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  7. Find the value of the following expressions when n = – 2. n^3 + 5n^2 +...

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  8. Find the value of the following expressions for a = 3, b = 2. a + b

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  9. Find the value of the following expressions for a = 3, b = 2. 7a – 4b

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  10. Find the value of the following expressions for a = 3, b = 2. a^2 + 2...

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  11. Find the value of the following expressions for a = 3, b = 2. a^3 – b^...

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  12. If m = 2, find the value of: m – 2

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  13. If m = 2, find the value of: 3m – 5

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  14. If m = 2, find the value of: 9 – 5m

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  15. If m = 2, find the value of: 3m^2 – 2m – 7

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  16. If m = 2, find the value of: (5m)/2– 4

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  17. If p = – 2, find the value of 4p + 7

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  18. If p = – 2, find the value of – 3p^2 + 4p + 7

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  19. If p = – 2, find the value of – 2p^3 – 3p^2 + 4p + 7

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  20. Find the value of the following expressions, when x = –1: 2x – 7

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