English, asked by tuhinsanpui1234, 4 months ago

factorise- 5(2x + 3)2 - 15(2x + 3)

Answers

Answered by invaderx

0

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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