Tauwehe
\left(4y-9x\right)\left(9x+4y\right)
Aromātai
16y^{2}-81x^{2}
Tohaina
Kua tāruatia ki te papatopenga
\left(4y-9x\right)\left(4y+9x\right)
Tuhia anō te 16y^{2}-81x^{2} hei \left(4y\right)^{2}-\left(9x\right)^{2}. Ka taea te rerekētanga o ngā pūrua te whakatauwehe mā te ture: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\left(-9x+4y\right)\left(9x+4y\right)
Whakaraupapatia anō ngā kīanga tau.
Ngā Tauira
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Āhuahanga
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Arithmetic
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Poukapa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}