Mathematics
Evaluate :
(a2 + 5) (a2 - 3)
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Answer
(a2 + 5) (a2 - 3)
= a2 (a2 - 3) + 5 (a2 - 3)
= a(2+2) - 3a2 + 5a2 - 15
= a4 + 2a2 - 15
Hence, (a2 + 5) (a2 - 3) = a4 + 2a2 - 15
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Evaluate :
(a2 + 5) (a2 - 3)
3 Likes
(a2 + 5) (a2 - 3)
= a2 (a2 - 3) + 5 (a2 - 3)
= a(2+2) - 3a2 + 5a2 - 15
= a4 + 2a2 - 15
Hence, (a2 + 5) (a2 - 3) = a4 + 2a2 - 15
Answered By
2 Likes