Whakaoti mō x
x=-1
Graph
Tohaina
Kua tāruatia ki te papatopenga
\sqrt{2x+2}=0
Whakamahia te āhuatanga tohatoha hei whakarea te x+1 ki te 2.
2x+2=0
Pūruatia ngā taha e rua o te whārite.
2x+2-2=-2
Me tango 2 mai i ngā taha e rua o te whārite.
2x=-2
Mā te tango i te 2 i a ia ake anō ka toe ko te 0.
\frac{2x}{2}=-\frac{2}{2}
Whakawehea ngā taha e rua ki te 2.
x=-\frac{2}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=-1
Whakawehe -2 ki te 2.
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