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Find and correct the errors in the mathe...

Find and correct the errors in the mathematical statements. `(2x)^2 + 4(2x) + 7 = 2x^2 + 8x + 7`

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Hence the solution:
`(2x)² + 4(2x) + 7 = 2x² + 8x + 7`
LHS = `(2x)²+ 4(2x) + 7`
=`4x²+8x+7`
...
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NCERT-FACTORISATION-EXERCISE 14.4
  1. Find and correct the errors in the mathematical statements. (3x+2)^2=...

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  2. Correct the given expression (4x + 5)/(4x) = 5

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  3. Find and correct the errors in the mathematical statements. 4(x-5)=4x-...

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  4. Find and correct the errors in the mathematical statements. x(3x + 2)...

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  5. Find and correct the errors in the mathematical statements. 2x + 3y =...

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  6. Find and correct the errors in the mathematical statements. x + 2x + ...

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  7. Find and correct the errors in the mathematical statements. 5y + 2y +...

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  8. Find and correct the errors in the mathematical statements. 3x + 2x =...

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  9. Find and correct the errors in the mathematical statements. (2x)^2 + 4...

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

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  11. Find and correct the errors in the statement: (3x^2)/(3x^2)=0

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  12. Find and correct the errors in the following mathematical statements (...

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  13. Find and correct the errors in the following mathematical statements (...

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  14. Find and correct the errors in the following mathematical statements (...

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  15. Find and correct the errors in the following mathematical statements (...

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  16. Find and correct the errors in the following mathematical statements (...

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  17. Substituting x=-3 in x^2+5x gives (-3)^2+5(-3)=-9-15=24.Find and corre...

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  18. Find and correct the errors in the following mathematical statements (...

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

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  20. Find and correct the errors in the following mathematical statements (...

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