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Izzy
Mathematics
21 April, 02:49
How to factorise 5x square - 20?
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Izaiah Byrd
21 April, 02:59
0
5 (x² - 4)
Step-by-step explanation:
5x² - 20
5 can divide both 5 and 20, 5x²/5 and - 20/5 = x² and - 4
5 (x² - 4), to know if you are correct, multiply 5 by the bracket and you get the question back
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