Exercise Problems VIII — task. Mathematics CBSE, Class 9.

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Factorise:

i.

$x^3+13x^2+32x+20=$

ii.

$2y^3+y^2–2y–1=$

Answer variants:

$(y – 1)(2y -1)(2y +-1)$

$(x + 1)(3x + 2)(x -10)$

$(x + 1)(x + 2)(x + 3)$

$(y – 1)(2y + 1)(2y + 1)$

$(x + 1)(x + 2)(x + 10)$

$(y + 1)(2y -1)(2y + 1)$

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