Whakaoti mō n
n=40
Tohaina
Kua tāruatia ki te papatopenga
32n-1080=5n
Whakareatia ngā taha e rua o te whārite ki te 8.
32n-1080-5n=0
Tangohia te 5n mai i ngā taha e rua.
27n-1080=0
Pahekotia te 32n me -5n, ka 27n.
27n=1080
Me tāpiri te 1080 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
n=\frac{1080}{27}
Whakawehea ngā taha e rua ki te 27.
n=40
Whakawehea te 1080 ki te 27, kia riro ko 40.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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