Whakaoti mō x
x=64\sqrt{5}-20\approx 123.10835056
x=-64\sqrt{5}-20\approx -163.10835056
Graph
Tohaina
Kua tāruatia ki te papatopenga
x+20=64\sqrt{5} x+20=-64\sqrt{5}
Tuhia te pūtakerua o ngā taha e rua o te whārite.
x+20-20=64\sqrt{5}-20 x+20-20=-64\sqrt{5}-20
Me tango 20 mai i ngā taha e rua o te whārite.
x=64\sqrt{5}-20 x=-64\sqrt{5}-20
Mā te tango i te 20 i a ia ake anō ka toe ko te 0.
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