Aromātai
15x\left(x+2\right)
Whakaroha
15x^{2}+30x
Graph
Tohaina
Kua tāruatia ki te papatopenga
16x^{2}+24x+9-\left(x-3\right)^{2}
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(4x+3\right)^{2}.
16x^{2}+24x+9-\left(x^{2}-6x+9\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-3\right)^{2}.
16x^{2}+24x+9-x^{2}+6x-9
Hei kimi i te tauaro o x^{2}-6x+9, kimihia te tauaro o ia taurangi.
15x^{2}+24x+9+6x-9
Pahekotia te 16x^{2} me -x^{2}, ka 15x^{2}.
15x^{2}+30x+9-9
Pahekotia te 24x me 6x, ka 30x.
15x^{2}+30x
Tangohia te 9 i te 9, ka 0.
16x^{2}+24x+9-\left(x-3\right)^{2}
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(4x+3\right)^{2}.
16x^{2}+24x+9-\left(x^{2}-6x+9\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-3\right)^{2}.
16x^{2}+24x+9-x^{2}+6x-9
Hei kimi i te tauaro o x^{2}-6x+9, kimihia te tauaro o ia taurangi.
15x^{2}+24x+9+6x-9
Pahekotia te 16x^{2} me -x^{2}, ka 15x^{2}.
15x^{2}+30x+9-9
Pahekotia te 24x me 6x, ka 30x.
15x^{2}+30x
Tangohia te 9 i te 9, ka 0.
Ngā Tauira
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Whakarerekētanga
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Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}