gsy
gsy
20-03-2017
Mathematics
contestada
factorise x² - 25, thank you :)
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KittyKat3715
KittyKat3715
20-03-2017
(x-5) (x+5) because if you times the two xs you'll get x squared and if you times negative 5 and positive 5, you'll get negative 25!!
Hope this helps!!!
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