Q 1: (15x7y+6z) + (15x6z+6y)  (6x7y+7z) = _____ ? 23x22y+24z 15x24y+23z 24x+6y7z 23x22y24z

Q 2: (15x9y+6z) + (15x7y+9z)  (7x9z+6y) = _____ ? 23x+22y+24z 23x7y+24z 17x23y+28z 23x22y+28z

Q 3: (9x7y+7z) + (9x7y+9z)  (9x7y7z) = _____ ? 9x7y+23y 8x9y17z 8x7y+23y 6x2y+23z

Q 4: (5a6b+7c) + (9a7b7c)  (6a7b) = _____ ? 8a2b2c 8a6b 6a2b+23c 5a+2b+23c

Q 5: (7x7y9z) + (7x9y+7z)  (9x7y+15z) = _____ ? 9x+7y23y 9x7y+23z 8x9y17z 21x7y+7z

Q 6: (7a9b+7c) + (6a6b+15c)  (7a17b) = _____ ? 8a6b 6a2b+23c 6a2b+15c 6a+2b23c

Q 7: (15x7y+9z) + (9x7y+10z)  (7x9z+9y) = _____ ? 9x9y+19z 17x23y28z 23x22y+24z 17x23y+28z

Q 8: (7x9y+7z) + (15x9y+7z)  (7x+6y9z) = _____ ? 23x22y+24z 15x24y+23z 16x+24y+23z 24x+6y7z

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

