20-11-2016
Mathematics

contestada

I want to factorise this term by splitting the middle term.

I want to factorise this term by splitting the middle term class=

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tibboyz123 tibboyz123

20-11-2016

x² - x - 20
x² -5x+4x - 20
x(x-5) +4(x-5)
(x+4) (x-5)

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