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Subjects>Math>Other Math

How do you factorise X squared -X-20?

Updated: 4/28/2022

Wiki User

∙ 12y ago

Best Answer

As the coefficient of x2 is 1, you just have to look for factors of 20 which differ by 1.

These are obviously 4 and 5 so: (x - 5)(x + 4)

Wiki User

∙ 12y ago

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