If you have something like
(2x + x^2)^2 + 4 = 5
Can you solve it by subtracting four, square rooting, etc. Or do you have to expand the bracket?
Edit: never mind I understand
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C3 maths / general algebra question watch
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Last edited by NeeIam; 27-01-2017 at 14:57.
- 27-01-2017 14:51
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- 27-01-2017 14:54
You could confirm this anyway by doing both methods.
- 27-01-2017 14:55