Whakaoti i te (2x^2-05x-3)(4x^2-10)quad=

$$( 2 x ^ { 2 } - 05 x - 3 ) ( 4 x ^ { 2 } - 10 ) \quad =$$

Aromātai

$$8x^{4}-32x^{2}+30$$

Ngā Upane Otinga

Whakareatia te 0 ki te 5, ka 0.

$$\left(2x^{2}-0x-3\right)\left(4x^{2}-10\right)$$

Ko te tau i whakarea ki te kore ka hua ko te kore.

$$\left(2x^{2}-0-3\right)\left(4x^{2}-10\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 2x^{2}-0-3 ki te 4x^{2}-10.

$$4\left(2x^{2}-0\right)x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Whakareatia te -1 ki te 0, ka 0.

$$4\left(2x^{2}+0\right)x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Ko te tau i tāpiria he kore ka hua koia tonu.

$$4\times 2x^{2}x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Whakareatia te 4 ki te 2, ka 8.

$$8x^{2}x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te 2 me te 2 kia riro ai te 4.

$$8x^{4}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Whakareatia te -1 ki te 0, ka 0.

$$8x^{4}-10\times 2x^{2}-12x^{2}+30$$

Whakareatia te -10 ki te 2, ka -20.

$$8x^{4}-20x^{2}-12x^{2}+30$$

Pahekotia te -20x^{2} me -12x^{2}, ka -32x^{2}.

$$8x^{4}-32x^{2}+30$$

Whakaroha

$$8x^{4}-32x^{2}+30$$

Ngā Upane Otinga

Whakareatia te 0 ki te 5, ka 0.

$$\left(2x^{2}-0x-3\right)\left(4x^{2}-10\right)$$

Ko te tau i whakarea ki te kore ka hua ko te kore.

$$\left(2x^{2}-0-3\right)\left(4x^{2}-10\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 2x^{2}-0-3 ki te 4x^{2}-10.

$$4\left(2x^{2}-0\right)x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Whakareatia te -1 ki te 0, ka 0.

$$4\left(2x^{2}+0\right)x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Ko te tau i tāpiria he kore ka hua koia tonu.

$$4\times 2x^{2}x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Whakareatia te 4 ki te 2, ka 8.

$$8x^{2}x^{2}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te 2 me te 2 kia riro ai te 4.

$$8x^{4}-10\left(2x^{2}-0\right)-12x^{2}+30$$

Whakareatia te -1 ki te 0, ka 0.

$$8x^{4}-10\times 2x^{2}-12x^{2}+30$$

Whakareatia te -10 ki te 2, ka -20.

$$8x^{4}-20x^{2}-12x^{2}+30$$

Pahekotia te -20x^{2} me -12x^{2}, ka -32x^{2}.

$$8x^{4}-32x^{2}+30$$