Mathematics
Evaluate :
(9 - y) (7 + y)
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Answer
(9 - y) (7 + y)
= 9 (7 + y) - y (7 + y)
= 63 + 9y - 7y - y(1+1)
= 63 + 2y - y2
Hence,(9 - y) (7 + y) = 63 + 2y - y2
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Evaluate :
(9 - y) (7 + y)
5 Likes
(9 - y) (7 + y)
= 9 (7 + y) - y (7 + y)
= 63 + 9y - 7y - y(1+1)
= 63 + 2y - y2
Hence,(9 - y) (7 + y) = 63 + 2y - y2
Answered By
4 Likes