Teo Lian Wei Vesy's answer to Goh Qian Hui's Junior College 1 H1 Maths Malaysia question.

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Teo Lian Wei Vesy
Teo Lian Wei Vesy's answer
2 answers (Tutor Details)
1st
Substitute the value of x.
Factor theorem states that x+k is a factor when f (k) =0