Enrhifo
\left(6-x\right)\left(x+8\right)
Ehangu
48-2x-x^{2}
Graff
Rhannu
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49-\left(1+2x+x^{2}\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(1+x\right)^{2}.
49-1-2x-x^{2}
I ddod o hyd i wrthwyneb 1+2x+x^{2}, dewch o hyd i wrthwyneb pob term.
48-2x-x^{2}
Tynnu 1 o 49 i gael 48.
49-\left(1+2x+x^{2}\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(1+x\right)^{2}.
49-1-2x-x^{2}
I ddod o hyd i wrthwyneb 1+2x+x^{2}, dewch o hyd i wrthwyneb pob term.
48-2x-x^{2}
Tynnu 1 o 49 i gael 48.
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