Whakaoti i te -7+4x{-7+4x[-63x(70div(-2)+5)-7]-9}+6

$$- 7 + 4 x \{ - 7 + 4 x [ - 63 x ( 70 \div ( - 2 ) + 5 ) - 7 ] - 9 \} + 6$$

Aromātai

$$16x\left(7x\left(270x-1\right)-4\right)-1$$

Ngā Upane Otinga

Whakawehea te 70 ki te -2, kia riro ko -35.

$$-7+4x\left(-7+4x\left(-63x\left(-35+5\right)-7\right)-9\right)+6$$

Tāpirihia te -35 ki te 5, ka -30.

$$-7+4x\left(-7+4x\left(-63x\left(-30\right)-7\right)-9\right)+6$$

Whakareatia te -63 ki te -30, ka 1890.

$$-7+4x\left(-7+4x\left(1890x-7\right)-9\right)+6$$

Tangohia te 9 i te -7, ka -16.

$$-7+4x\left(-16+4x\left(1890x-7\right)\right)+6$$

Tāpirihia te -7 ki te 6, ka -1.

$$-1+4x\left(-16+4x\left(1890x-7\right)\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 4x ki te 1890x-7.

$$-1+4x\left(-16+7560x^{2}-28x\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 4x ki te -16+7560x^{2}-28x.

$$-1-64x+30240x^{3}-112x^{2}$$

Whakaroha

$$30240x^{3}-112x^{2}-64x-1$$

Ngā Upane Otinga

Whakawehea te 70 ki te -2, kia riro ko -35.

$$-7+4x\left(-7+4x\left(-63x\left(-35+5\right)-7\right)-9\right)+6$$

Tāpirihia te -35 ki te 5, ka -30.

$$-7+4x\left(-7+4x\left(-63x\left(-30\right)-7\right)-9\right)+6$$

Whakareatia te -63 ki te -30, ka 1890.

$$-7+4x\left(-7+4x\left(1890x-7\right)-9\right)+6$$

Tangohia te 9 i te -7, ka -16.

$$-7+4x\left(-16+4x\left(1890x-7\right)\right)+6$$

Tāpirihia te -7 ki te 6, ka -1.

$$-1+4x\left(-16+4x\left(1890x-7\right)\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 4x ki te 1890x-7.

$$-1+4x\left(-16+7560x^{2}-28x\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te 4x ki te -16+7560x^{2}-28x.

$$-1-64x+30240x^{3}-112x^{2}$$