Q 1: (3ab+7ca)  (2ab6ca) = _____ ? ab+13ca ab13ca ab13ca ab+13ca

Q 2: (a+b)  (a+b) = _____ ? 0 a 2ab 2a

Q 3: (21a+19b)  (6a+7b) = _____ ? 15a+12b 15a12b 15a12b 15a+12b

Q 4: (9x+7y)  (21x+23y) = _____ ? 10x24y 30x+16y 10x+24y 30x16y

Q 5: (21x+82y)  (72x+80y) = _____ ? 93x+2y 93x+3y 10x+24y 10x+24y

Q 6: (2u+3v)  (3u+7v) = _____ ? u+4v u4v u+4v u4v

Q 7: (4a6b)  (2b+4c)  (5a2c) = _____ ? a+8b2c a+8b2c a8b2c a8b2c

Q 8: (71x+9y)  (21x6y) = _____ ? 50x+15y 5x+15y 92x+3y 10x24y

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

