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secondary 3 | A Maths
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secondary 3 chevron_right A Maths chevron_right Singapore

Anyone knows how to do this? Thankyouu

Date Posted: 3 years ago
Views: 171

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Jade
Jade's answer
14 answers (A Helpful Person)
1st
Since the question states that the roots differ by 3, my roots can either be x=a (smaller) and x=a+3 (bigger) or x=a-3 (smaller) and x=a (bigger).

However if i use x=a-3 and x=a, both of my roots will not be negative. Since the question wants negative roots, i cannot use x=a-3 and x=a, i will need to use x=a and x=a+3 instead.