Identify the errors and correct them (4n)2 – 2n + 3 = 4n2 – 2n + 3 - Mathematics

Identify the errors and correct them

(4n)² – 2n + 3 = 4n² – 2n + 3

Sum

(4n)² – 2n + 3 = 16n² – 2n + 3

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Chapter 3: Algebra - Exercise 3.2 [Page 86]

Chapter 3 Algebra
Exercise 3.2 | Q 6. (iv) | Page 86

Find and correct the errors in the statement: 4(x − 5) = 4x − 5

Find and correct the errors in the statement: x(3x + 2) = 3x² + 2

Find and correct the errors in the statement: 5y + 2y + y − 7y = 0

Find and correct the errors in the statement: 3x + 2x = 5x²

Find and correct the errors in the statement: (2x)² + 5x = 4x + 5x = 9x

Find and correct the errors in the following mathematical statement. Substituting x = −3 in

x² + 5x + 4 gives (−3)² + 5 (−3) + 4 = 9 + 2 + 4 = 15

Find and correct the errors in the statement: `(3x^2 + 1)/(3x^2) = 1 + 1 = 2`

Find and correct the errors in the statement : `3/(4x + 3) = 1/(4x)`

Find and correct the errors in the statement: `(7x + 5)/5 = 7x`

Identify the errors and correct them

6xy + 3xy = 9x²y²