Identify the errors and correct them – 3p2 + 4p – 7 = – (3p2 + 4p – 7) - Mathematics

Identify the errors and correct them

– 3p² + 4p – 7 = – (3p² + 4p – 7)

Sum

– 3p² + 4p – 7 = – (3p² – 4p + 7)

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Chapter 3: Algebra - Exercise 3.2 [Page 86]

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

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

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 statement: (3x + 2)² = 3x² + 6x + 4

Find and correct the errors in the statement: (y − 3)² = y² − 9

Find and correct the errors in the statement: (2a + 3b) (a − b) = 2a² − 3b²

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

Identify the errors and correct them

6xy + 3xy = 9x²y²

Identify the errors and correct them

m(4m – 3) = 4m² – 3