Answer:
Step-by-step explanation:
=> (2x + 3) (2x − 3) (4x²− 9)
=((2x + 3) (2x − 3)) (4x²+− 9)
=((2x+3)(2x−3))(4x2)+((2x+3)(2x−3))(−9)
=16x^4−36x2−36x2+81
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Answers & Comments
Answer:
16x^4 − 72x² + 81
Step-by-step explanation:
=> (2x + 3) (2x − 3) (4x²− 9)
=((2x + 3) (2x − 3)) (4x²+− 9)
=((2x+3)(2x−3))(4x2)+((2x+3)(2x−3))(−9)
=16x^4−36x2−36x2+81
= 16x^4 − 72x² + 81