which two consecutive even number have an LCM of 180
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the two consecutive number be x and x+1
x (x+1) = 180
x^2 + x - 180 =0
x^2 + 20x - 19x -180 =0
x (x+20) - 19(x+20)=0
(x+20)(x-19)=0
x-19=0
x=19
x+1=20
ANS : 19 and 20
x (x+1) = 180
x^2 + x - 180 =0
x^2 + 20x - 19x -180 =0
x (x+20) - 19(x+20)=0
(x+20)(x-19)=0
x-19=0
x=19
x+1=20
ANS : 19 and 20
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