Q1 of 105 Page 280

Find the errors and correct the following mathematical sentences
4p + 3p + 2p + p – 9p = 0

If LHS is

4p + 3p + 2p + p – 9p

Then RHS would be

⇒ 4p + 3p + 2p + p – 9p

= p(4 + 3 + 2 + 1–9)

= p(10–9)

= p

The error is p instead of 0

Hence 4p + 3p + 2p + p–9p = p

Find the errors and correct the following mathematical sentences

2x + 3x = 5x²

Find the errors and correct the following mathematical sentences

2x + x + 3x = 5x

Find the errors and correct the following mathematical sentences

3x + 2y = 6xy

Find the errors and correct the following mathematical sentences

(3x)² + 4x + 7 = 3x² + 4x + 7

Questions · 105

12. Factorisation

1 1 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 5 5 5 5 6 7 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Find the errors and correct the following mathematical sentences4p + 3p + 2p + p – 9p = 0