a² - 4a - 5
factorise it
please I need it
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it's a quadratic equation... plzzz refer to the attachment for the answer......
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princesspranjal24:
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Answered by
2
a² - 4a - 5
=a² -5a+1a-5
=a(a-5)+1(a-5)
=(a-5)(a+1)
=a² -5a+1a-5
=a(a-5)+1(a-5)
=(a-5)(a+1)
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