factorise- 5(2x + 3)2 - 15(2x + 3)
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Answer:
taking 5(2x-3) common,
5(2x-3)(3(2x-3)²-2)=
5(2x-3)(3(4x²+9-12x)-2)
=5(2x-3)(12x²+27-36x-2)
=5(2x-3)(12x²-36x+25).
it is not further factorizable to integer coeff. but you can find roots to the quadratic factor I got.
Explanation:
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