Aromātai
25y^{2}
Whakaroha
25y^{2}
Tohaina
Kua tāruatia ki te papatopenga
16x^{2}-40xy+25y^{2}-8x\left(2x-5y\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(4x-5y\right)^{2}.
16x^{2}-40xy+25y^{2}-16x^{2}+40xy
Whakamahia te āhuatanga tohatoha hei whakarea te -8x ki te 2x-5y.
-40xy+25y^{2}+40xy
Pahekotia te 16x^{2} me -16x^{2}, ka 0.
25y^{2}
Pahekotia te -40xy me 40xy, ka 0.
16x^{2}-40xy+25y^{2}-8x\left(2x-5y\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(4x-5y\right)^{2}.
16x^{2}-40xy+25y^{2}-16x^{2}+40xy
Whakamahia te āhuatanga tohatoha hei whakarea te -8x ki te 2x-5y.
-40xy+25y^{2}+40xy
Pahekotia te 16x^{2} me -16x^{2}, ka 0.
25y^{2}
Pahekotia te -40xy me 40xy, ka 0.
Ngā Tauira
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