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Collect like terms and simplify the expr...

Collect like terms and simplify the expression: `12m^2 – 9m + 5m – 4m^2 – 7m + 10`

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PSEB-Algebraic Expressions-EXAMPLE
  1. Identify like terms in the following – xy^2, – 4yx^2, 8x^2, 2xy^2, 7y,...

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  2. Identify like terms in the following 10pq, 7p, 8q, – p^2q^2, – 7qp, – ...

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  3. Collect like terms and simplify the expression: 12m^2 – 9m + 5m – 4m^2...

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  4. subtract 24ab – 10b – 18a from 30ab + 12b + 14a.

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  5. From the sum of 2y^2 + 3yz, – y^2 – yz – z^2 and yz + 2z^2, subtrac...

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  6. Simplify combining like terms: 21b – 32 + 7b – 20b

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  7. Simplify combining like terms: – z^2 + 13z^2 – 5z + 7z^3 – 15z

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  8. Simplify combining like terms: p – (p – q) – q – (q – p)

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  9. Simplify combining like terms: 3a – 2b – ab – (a – b + ab) + 3ab + b –...

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  10. Simplify combining like terms: 5x^2y – 5x^2 + 3yx^2 – 3y^2 + x^2 – y^2...

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  11. Simplify combining like terms: (3y^2 + 5y – 4) – (8y – y2 – 4)

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  12. Add: 3mn, – 5mn, 8mn, – 4mn

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  13. Add: t – 8tz, 3tz – z, z – t

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  14. Add: – 7mn + 5, 12mn + 2, 9mn – 8, – 2mn – 3

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  15. Add: a + b – 3, b – a + 3, a – b + 3

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  16. Add: 14x + 10y – 12xy – 13, 18 – 7x – 10y + 8xy, 4xy

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  17. Add: 5m – 7n, 3n – 4m + 2, 2m – 3mn – 5

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  18. Add: 4x^2y, – 3xy^2, –5xy^2, 5x^2y

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  19. Add 3p^2q^2 – 4pq + 5, – 10 p^2q^2, 15 + 9pq + 7p^2q^2

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  20. Add ab – 4a, 4b – ab, 4a – 4b

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