Question 200832
7k^2 -9k -10,,,,,,,,,Factors  of  7(7*1),,,factors  of  10 (10*1,,,5*2),,,,,(-) last  term  means  difference  of  factor  multiples,,,,,,,,(-)  middle  term  means  largest  factor multiple  (-)  
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(7k +5)(k-2)
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F = 7k*k = 7k^2
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O =  7K *-2 = -14 k
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I = k*5 = 5k
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L= 5*-2= -10
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combining  middle  terms,,,, 7k^2 -9k -10
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