(iv) (6b+ a) ×(3b- 2a)
(vi) (7+ y) ×(8 - y)
Answers
Answered by
2
Step-by-step explanation:
1
(6b+a)*(3b-2a)
=(18b²-12ab+3ab-2a²)
=18b²-9ab-2a²
2.
(7+y)*(8-y)
=56-7y+8y-y²
=56+y-y²
=y²-y-56
Similar questions