(3а + 2b)(За – 2b)(9а + 4b)
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6a(9a+4b)
=54a×a +24ab
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Answer:
(3a+ 2b)(3a-2b) (9a+4b)
you can use the formula
a square - b square
(3a square - 2b square)(9a+4b)
3a square (9a+4b)-2b square(9a+4b)
27a cube +12ab-18 ab-8b cube
27a cube-6ab-8b cube
Step-by-step explanation:
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