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Harmeet does the divison as (a+5) ÷ 5 =...

Harmeet does the divison as (a+5) ÷ 5 = a+1, His friend Srikar done the same (a+5) ÷ 5 = `a/5+1`, and his friend Rosy did it this way (a+5) ÷5=a, can you guess who has done it correctly? Justify.

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VGS PUBLICATION-BRILLIANT-FACTORISTION-EXERCISE
  1. Srilekha solved the given equation as shown below . 3x+4x+x+2x=90, 9x=...

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  2. Abraham did the following for x=-4, 7x=7-4=-3

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  3. Harmeet does the divison as (a+5) ÷ 5 = a+1, His friend Srikar done t...

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  4. Find the errors and correct the following mathematical sentences :3(x-...

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  5. Find the errors and correct the following mathematical sentences : x(3...

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  6. Find the errors and correct the following mathematical sentences :2x+3...

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  7. Find the errors and correct the following mathematical sentences : 2x+...

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  8. Find the errors and correct the following mathematical sentences : 4p+...

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  9. Find the errors and correct the following mathematical sentences : 3x ...

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  10. Find the errors and correct the following mathematical sentences : (3x...

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  11. Find the errors and correct the following mathematical sentences : (2x...

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  12. Find the errors and correct the following mathematical sentences :  (2...

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  13. Substitute x=-3 in : x^2+7x+12= (-3)^2+7(-3)+12. = 9+4+12=25

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  14. Substitute x=-3 in :x^2-5x+6=(-3)^2 - 5(-3)+6=9-15+6=0

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  15. Substitute x=-3 in : x^2+5x-(-3)^2+5 (-3)+6 =-9-15=-24

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  16. Find the errors and correct the following mathematical sentences :  (x...

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  17. Find the errors and correct the following mathematical sentences : (x+...

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  18. Find the errors and correct the following mathematical sentences : (3a...

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  19. Find the errors and correct the following mathematical sentences : (x+...

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  20. Find the errors and correct the following mathematical sentences : 5x^...

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