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secondary 2 | Maths
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Anugerah
Anugerah

secondary 2 chevron_right Maths chevron_right Singapore

assist pls

Date Posted: 2 years ago
Views: 318
sstrike
Sstrike
2 years ago
2x²-7x-4 = (2x+1)∙(x-4)

times "2x²-7x-4" at both sides of the equation

5x - 2(2x+1) = 2(x-4)

x = 6 (Ans)

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Danny Low
Danny Low's answer
1016 answers (Tutor Details)
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Hope this helps
Anugerah
Anugerah
2 years ago
the answer given is 5
Danny Low
Danny Low
2 years ago
We can verify by substituting the value of x found back to the equation. 5 satisfies the equation but 6 does not. You may want to check again.
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sstrike
Sstrike's answer
5377 answers (A Helpful Person)
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