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