Datrys (3(-24/29)-2)^2=(-24/29-5)(9(-24/29)+4)

$$( 3 ( \frac { - 24 } { 29 } ) - 2 ) ^ { 2 } = ( \frac { - 24 } { 29 } - 5 ) ( 9 ( \frac { - 24 } { 29 } ) + 4 )$$

Gwireddu

Camau Ateb

Gellir ailysgrifennu \frac{-24}{29} fel -\frac{24}{29} drwy echdynnu’r arwydd negatif.

$$\left(3\left(-\frac{24}{29}\right)-2\right)^{2}=\left(\frac{-24}{29}-5\right)\left(9\times \frac{-24}{29}+4\right)$$

Lluosi 3 a -\frac{24}{29} i gael -\frac{72}{29}.

$$\left(-\frac{72}{29}-2\right)^{2}=\left(\frac{-24}{29}-5\right)\left(9\times \frac{-24}{29}+4\right)$$

Tynnu 2 o -\frac{72}{29} i gael -\frac{130}{29}.

$$\left(-\frac{130}{29}\right)^{2}=\left(\frac{-24}{29}-5\right)\left(9\times \frac{-24}{29}+4\right)$$

Cyfrifo -\frac{130}{29} i bŵer 2 a chael \frac{16900}{841}.

$$\frac{16900}{841}=\left(\frac{-24}{29}-5\right)\left(9\times \frac{-24}{29}+4\right)$$

Gellir ailysgrifennu \frac{-24}{29} fel -\frac{24}{29} drwy echdynnu’r arwydd negatif.

$$\frac{16900}{841}=\left(-\frac{24}{29}-5\right)\left(9\times \frac{-24}{29}+4\right)$$

Tynnu 5 o -\frac{24}{29} i gael -\frac{169}{29}.

$$\frac{16900}{841}=-\frac{169}{29}\left(9\times \frac{-24}{29}+4\right)$$

Gellir ailysgrifennu \frac{-24}{29} fel -\frac{24}{29} drwy echdynnu’r arwydd negatif.

$$\frac{16900}{841}=-\frac{169}{29}\left(9\left(-\frac{24}{29}\right)+4\right)$$

Lluosi 9 a -\frac{24}{29} i gael -\frac{216}{29}.

$$\frac{16900}{841}=-\frac{169}{29}\left(-\frac{216}{29}+4\right)$$

Adio -\frac{216}{29} a 4 i gael -\frac{100}{29}.

$$\frac{16900}{841}=-\frac{169}{29}\left(-\frac{100}{29}\right)$$

Lluosi -\frac{169}{29} a -\frac{100}{29} i gael \frac{16900}{841}.

$$\frac{16900}{841}=\frac{16900}{841}$$

Cymharu \frac{16900}{841} gyda \frac{16900}{841}.

$$\text{true}$$