Datrys x(x-1)(x-1)(x+1)(x+1)

$$x(x-1)(x-1)(x+1)(x+1)$$

Enrhifo

$$x\left(x^{2}-1\right)^{2}$$

Camau Ateb

Lluosi x-1 a x-1 i gael \left(x-1\right)^{2}.

$$x\left(x-1\right)^{2}\left(x+1\right)\left(x+1\right)$$

Lluosi x+1 a x+1 i gael \left(x+1\right)^{2}.

$$x\left(x-1\right)^{2}\left(x+1\right)^{2}$$

Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.

$$x\left(x^{2}-2x+1\right)\left(x+1\right)^{2}$$

Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.

$$x\left(x^{2}-2x+1\right)\left(x^{2}+2x+1\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi x â x^{2}-2x+1.

$$\left(x^{3}-2x^{2}+x\right)\left(x^{2}+2x+1\right)$$

Cyfrifwch y briodoledd ddosrannol drwy luosi pob x^{3}-2x^{2}+x gan bob x^{2}+2x+1.

$$x^{5}+2x^{4}+x^{3}-2x^{4}-4x^{3}-2x^{2}+x^{3}+2x^{2}+x$$

Cyfuno 2x^{4} a -2x^{4} i gael 0.

$$x^{5}+x^{3}-4x^{3}-2x^{2}+x^{3}+2x^{2}+x$$

Cyfuno x^{3} a -4x^{3} i gael -3x^{3}.

$$x^{5}-3x^{3}-2x^{2}+x^{3}+2x^{2}+x$$

Cyfuno -3x^{3} a x^{3} i gael -2x^{3}.

$$x^{5}-2x^{3}-2x^{2}+2x^{2}+x$$

Cyfuno -2x^{2} a 2x^{2} i gael 0.

$$x^{5}-2x^{3}+x$$

Ehangu

$$x^{5}-2x^{3}+x$$

Camau Ateb

Lluosi x-1 a x-1 i gael \left(x-1\right)^{2}.

$$x\left(x-1\right)^{2}\left(x+1\right)\left(x+1\right)$$

Lluosi x+1 a x+1 i gael \left(x+1\right)^{2}.

$$x\left(x-1\right)^{2}\left(x+1\right)^{2}$$

Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.

$$x\left(x^{2}-2x+1\right)\left(x+1\right)^{2}$$

Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.

$$x\left(x^{2}-2x+1\right)\left(x^{2}+2x+1\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi x â x^{2}-2x+1.

$$\left(x^{3}-2x^{2}+x\right)\left(x^{2}+2x+1\right)$$

Cyfrifwch y briodoledd ddosrannol drwy luosi pob x^{3}-2x^{2}+x gan bob x^{2}+2x+1.

$$x^{5}+2x^{4}+x^{3}-2x^{4}-4x^{3}-2x^{2}+x^{3}+2x^{2}+x$$

Cyfuno 2x^{4} a -2x^{4} i gael 0.

$$x^{5}+x^{3}-4x^{3}-2x^{2}+x^{3}+2x^{2}+x$$

Cyfuno x^{3} a -4x^{3} i gael -3x^{3}.

$$x^{5}-3x^{3}-2x^{2}+x^{3}+2x^{2}+x$$

Cyfuno -3x^{3} a x^{3} i gael -2x^{3}.

$$x^{5}-2x^{3}-2x^{2}+2x^{2}+x$$

Cyfuno -2x^{2} a 2x^{2} i gael 0.

$$x^{5}-2x^{3}+x$$