Aromātai
-\left(x+4\right)^{2}+7
Whakaroha
-x^{2}-8x-9
Graph
Tohaina
Kua tāruatia ki te papatopenga
-\left(x^{2}+8x+16\right)+7
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(x+4\right)^{2}.
-x^{2}-8x-16+7
Hei kimi i te tauaro o x^{2}+8x+16, kimihia te tauaro o ia taurangi.
-x^{2}-8x-9
Tāpirihia te -16 ki te 7, ka -9.
-\left(x^{2}+8x+16\right)+7
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(x+4\right)^{2}.
-x^{2}-8x-16+7
Hei kimi i te tauaro o x^{2}+8x+16, kimihia te tauaro o ia taurangi.
-x^{2}-8x-9
Tāpirihia te -16 ki te 7, ka -9.
Ngā Tauira
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whārite Simultaneous
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}