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ratelena [41]
3 years ago
7

Factor completely: 45x3 + 123x + 104x + 28

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0

Answer:

 45x^3 + 123x^2 + 104x + 28

=(45x^3 + 60x^2 + 20x) + (63x^2 + 84x + 28)

=5x(9x^2 + 12x + 4) + 7(9x^2 + 12x + 4)

=(5x + 7)(9x^2 + 12x + 4)

=(5x + 7)(3x + 2)^2

=> Option D is correct

Hope this helps!

:)

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