Datrys -0.4(3*10*(-0.4+2*10)-10(4*(-0.4^2)-10

$$-0.4(3 \times 10 \times (-0.4+2 \times 10)-10(4 \times (- { 0.4 }^{ 2 } )-10$$

Enrhifo

$$-277.76$$

Camau Ateb

Lluosi 3 a 10 i gael 30.

$$-0.4\left(30\left(-0.4+2\times 10\right)-10\left(4\left(-0.4^{2}\right)-10\right)\right)$$

Lluosi 2 a 10 i gael 20.

$$-0.4\left(30\left(-0.4+20\right)-10\left(4\left(-0.4^{2}\right)-10\right)\right)$$

Adio -0.4 a 20 i gael 19.6.

$$-0.4\left(30\times 19.6-10\left(4\left(-0.4^{2}\right)-10\right)\right)$$

Lluosi 30 a 19.6 i gael 588.

$$-0.4\left(588-10\left(4\left(-0.4^{2}\right)-10\right)\right)$$

Cyfrifo 0.4 i bŵer 2 a chael 0.16.

$$-0.4\left(588-10\left(4\left(-0.16\right)-10\right)\right)$$

Lluosi 4 a -0.16 i gael -0.64.

$$-0.4\left(588-10\left(-0.64-10\right)\right)$$

Tynnu 10 o -0.64 i gael -10.64.

$$-0.4\left(588-10\left(-10.64\right)\right)$$

Lluosi 10 a -10.64 i gael -106.4.

$$-0.4\left(588-\left(-106.4\right)\right)$$

Gwrthwyneb -106.4 yw 106.4.

$$-0.4\left(588+106.4\right)$$

Adio 588 a 106.4 i gael 694.4.

$$-0.4\times 694.4$$

Lluosi -0.4 a 694.4 i gael -277.76.

$$-277.76$$

Ffactor

$$-277.76$$