Math, asked by sheshachalapatil, 8 months ago

Find the product (20+5 (2a-3 )(4a²+9)

Answers

Answered by adityayadav3891

1

Step-by-step explanation:

= (2a+3)(2a-3)(4a+9)

(a+b)(a-b)=a²-b²

=(2a+3)(2a-3)(4a+9)

=(4a²-9)(4a+9)

= (4a²*4a)-(4a²*9)-(9*4a)-(9*9)

=16a³-36a²-36a-81

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