i have been stuck at this question for a quite a while after my factorisation se

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junior college 1 | H2 Maths
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junior college 1 H2 Maths Singapore

i have been stuck at this question for a quite a while after my factorisation seems off could someone help me complete the workings?

Date Posted: 4 years ago

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Eric Nicholas K

4 years ago

On your fourth line, it should be "+ 4x".

Eric Nicholas K

4 years ago

Also, do take note that at your level, some things in this chapter are not always factorisable. Sometimes the numerator is in a non-factorisable form and you will need to use the quadratic formula to find the critical values.

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Date Posted: 4 years ago

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4 years ago

thank you sm!

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