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Evaluate : (2a + 3) ( 5a - 7)...

Evaluate : `(2a + 3) ( 5a - 7)`

A

`9a^(2) + a - 21`

B

`10a^(2) + a - 21`

C

`8a^(2) - 21`

D

`10a^(3) + a^2 - 21a`

Text Solution

Verified by Experts

The correct Answer is:
B
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