Identify the errors and correct them 6xy + 3xy = 9x2y2

Identify the errors and correct them

6xy + 3xy = 9x²y²

Sum

6xy + 3xy = (6 + 3)xy
= 9xy

shaalaa.com

Is there an error in this question or solution?

Chapter 3: Algebra - Exercise 3.2 [Page 86]

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

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

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

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

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

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: (a + 4) (a + 2) = a² + 8

Find and correct the errors in the statement: (a − 4) (a − 2) = a² − 8

Find and correct the errors in the statement: `(4x + 5)/(4x) = 5`

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

Identify the errors and correct them

(4n)² – 2n + 3 = 4n² – 2n + 3