arjvai
arjvai arjvai
  • 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 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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