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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",5,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":427},"EPnlkDsYNFpokejuU7d41kgELOgph1","q","What factor is common to all the expressions x² - x, 2x² + x - 1 and x² - 1?","ans",[414],3,"1980","course","mathematics","exp","x² - x = x(x - 1)
\n
\n= 2x² + x - 1
\n
\n= (2x - 1)(x + 10
\n
\nx² - 1 = (x + 1)(x - 1)
\n
\nNo factor","opts",[422,423,424,425,426],"x","x + 1","x - 1","No common factor","(2x - 1)",16,"16","initComment","initReply","actionData","errors"]

JAMB - Mathematics (1980 - No. 16)

Explanation

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