Enrhifo
6x^{2}+2
Ehangu
6x^{2}+2
Graff
Rhannu
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x^{3}+3x^{2}+3x+1-\left(x-1\right)^{3}
Defnyddio'r theorem binomaidd \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} i ehangu'r \left(x+1\right)^{3}.
x^{3}+3x^{2}+3x+1-\left(x^{3}-3x^{2}+3x-1\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} i ehangu'r \left(x-1\right)^{3}.
x^{3}+3x^{2}+3x+1-x^{3}+3x^{2}-3x+1
I ddod o hyd i wrthwyneb x^{3}-3x^{2}+3x-1, dewch o hyd i wrthwyneb pob term.
3x^{2}+3x+1+3x^{2}-3x+1
Cyfuno x^{3} a -x^{3} i gael 0.
6x^{2}+3x+1-3x+1
Cyfuno 3x^{2} a 3x^{2} i gael 6x^{2}.
6x^{2}+1+1
Cyfuno 3x a -3x i gael 0.
6x^{2}+2
Adio 1 a 1 i gael 2.
x^{3}+3x^{2}+3x+1-\left(x-1\right)^{3}
Defnyddio'r theorem binomaidd \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} i ehangu'r \left(x+1\right)^{3}.
x^{3}+3x^{2}+3x+1-\left(x^{3}-3x^{2}+3x-1\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} i ehangu'r \left(x-1\right)^{3}.
x^{3}+3x^{2}+3x+1-x^{3}+3x^{2}-3x+1
I ddod o hyd i wrthwyneb x^{3}-3x^{2}+3x-1, dewch o hyd i wrthwyneb pob term.
3x^{2}+3x+1+3x^{2}-3x+1
Cyfuno x^{3} a -x^{3} i gael 0.
6x^{2}+3x+1-3x+1
Cyfuno 3x^{2} a 3x^{2} i gael 6x^{2}.
6x^{2}+1+1
Cyfuno 3x a -3x i gael 0.
6x^{2}+2
Adio 1 a 1 i gael 2.
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