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Find and correct the errors in the follo...

Find and correct the errors in the following mathematical statements: 4(x – 5) = 4x – 5

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PSEB-FACTORISATION-EXERCISE
  1. Factorise the expressions and divide them as directed : 12xy(9x^2 – 1...

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  2. Factorise the expressions and divide them as directed : 39y^3 (50y^2 –...

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  3. Find and correct the errors in the following mathematical statements: ...

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  4. Find and correct the errors in the following mathematical statements: ...

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  5. Find and correct the errors in the following mathematical statements: ...

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  6. Find and correct the errors in the following mathematical statements: ...

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  7. Find and correct the errors in the following mathematical statements: ...

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  8. Find and correct the errors in the following mathematical statements: ...

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  9. Find and correct the errors in the following mathematical statements: ...

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  10. Find and correct the errors in the following mathematical statements: ...

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  11. Find and correct the errors in the following mathematical statements: ...

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  12. Substituting x = – 3 in : x^2 + 5x + 4 gives (– 3)^2 + 5 (– 3) + 4 = 9...

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  13. Substituting x = – 3 in : x^2 – 5x + 4 gives (– 3)^2 – 5 ( – 3) + 4 = ...

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  14. Substituting x = – 3 in : x^2 + 5x gives (– 3)^2 + 5 (–3) = – 9 – 15 =...

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  15. (y – 3)^2 = y^2 – 9

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  16. (z + 5)^2 = z^2 + 25

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  17. (2a + 3b) (a – b) = 2a^2 – 3b^2

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  18. (a + 4) (a + 2) = a^2 + 8

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  19. (a – 4) (a – 2) = a^2 – 8

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  20. (3x^2)/(3x^2)=0

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