Q4 of 95 Page 84

Add:
5x – 8y + 2z, 3z – 4y – 2x, 6y – z – x and 3x – 2x – 3y

To add the expressions, we have to arrange the given expression in the form of rows and then add the expression column wise, so we have;

Add:

7x, - 3x, 5x, – x, -2x

Add:

3a – 4b + 4c, 2a + 3b – 8c, a – 6b + c

Add:

6ax – 2by + 3cz, 6by -11ax – cz and 10 cz -2ax – 3by

Add:

2x³ – 9x² + 8, 3x² – 6x – 5, 7x³ – 10x + 1 and 3 + 2x – 5x² – 4x³

Add:5x – 8y + 2z, 3z – 4y – 2x, 6y – z – x and 3x – 2x – 3y