Aromātai
2\left(\left(x+1\right)^{2}-42\right)
Whakaroha
2x^{2}+4x-82
Graph
Tohaina
Kua tāruatia ki te papatopenga
2\left(1+2x+x^{2}\right)-2\times 42
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(1+x\right)^{2}.
2+4x+2x^{2}-2\times 42
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 1+2x+x^{2}.
2+4x+2x^{2}-84
Whakareatia te 2 ki te 42, ka 84.
-82+4x+2x^{2}
Tangohia te 84 i te 2, ka -82.
2\left(1+2x+x^{2}\right)-2\times 42
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(1+x\right)^{2}.
2+4x+2x^{2}-2\times 42
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te 1+2x+x^{2}.
2+4x+2x^{2}-84
Whakareatia te 2 ki te 42, ka 84.
-82+4x+2x^{2}
Tangohia te 84 i te 2, ka -82.
Ngā Tauira
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whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
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