Whakaoti mō x
x=6
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Kua tāruatia ki te papatopenga
256-32x+x^{2}-x^{2}=64
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(16-x\right)^{2}.
256-32x=64
Pahekotia te x^{2} me -x^{2}, ka 0.
-32x=64-256
Tangohia te 256 mai i ngā taha e rua.
-32x=-192
Tangohia te 256 i te 64, ka -192.
x=\frac{-192}{-32}
Whakawehea ngā taha e rua ki te -32.
x=6
Whakawehea te -192 ki te -32, kia riro ko 6.
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