Whakaoti i te (2.5p-1.5q)^2-(1.5p-2.5q)^2

$$( 2.5 p - 1.5 q ) ^ { 2 } - ( 1.5 p - 2.5 q ) ^ { 2 }$$

Aromātai

$$4\left(p^{2}-q^{2}\right)$$

Ngā Upane Otinga

Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(2.5p-1.5q\right)^{2}.

$$6.25p^{2}-7.5pq+2.25q^{2}-\left(1.5p-2.5q\right)^{2}$$

Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(1.5p-2.5q\right)^{2}.

$$6.25p^{2}-7.5pq+2.25q^{2}-\left(2.25p^{2}-7.5pq+6.25q^{2}\right)$$

Hei kimi i te tauaro o 2.25p^{2}-7.5pq+6.25q^{2}, kimihia te tauaro o ia taurangi.

$$6.25p^{2}-7.5pq+2.25q^{2}-2.25p^{2}+7.5pq-6.25q^{2}$$

Pahekotia te 6.25p^{2} me -2.25p^{2}, ka 4p^{2}.

$$4p^{2}-7.5pq+2.25q^{2}+7.5pq-6.25q^{2}$$

Pahekotia te -7.5pq me 7.5pq, ka 0.

$$4p^{2}+2.25q^{2}-6.25q^{2}$$

Pahekotia te 2.25q^{2} me -6.25q^{2}, ka -4q^{2}.

$$4p^{2}-4q^{2}$$

Whakaroha

$$4p^{2}-4q^{2}$$

Ngā Upane Otinga

Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(2.5p-1.5q\right)^{2}.

$$6.25p^{2}-7.5pq+2.25q^{2}-\left(1.5p-2.5q\right)^{2}$$

Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(1.5p-2.5q\right)^{2}.

$$6.25p^{2}-7.5pq+2.25q^{2}-\left(2.25p^{2}-7.5pq+6.25q^{2}\right)$$

Hei kimi i te tauaro o 2.25p^{2}-7.5pq+6.25q^{2}, kimihia te tauaro o ia taurangi.

$$6.25p^{2}-7.5pq+2.25q^{2}-2.25p^{2}+7.5pq-6.25q^{2}$$

Pahekotia te 6.25p^{2} me -2.25p^{2}, ka 4p^{2}.

$$4p^{2}-7.5pq+2.25q^{2}+7.5pq-6.25q^{2}$$

Pahekotia te -7.5pq me 7.5pq, ka 0.

$$4p^{2}+2.25q^{2}-6.25q^{2}$$

Pahekotia te 2.25q^{2} me -6.25q^{2}, ka -4q^{2}.

$$4p^{2}-4q^{2}$$