Enrhifo
\frac{19\left(x-1\right)^{2}}{10}
Ehangu
\frac{19x^{2}}{10}-\frac{19x}{5}+1.9
Graff
Rhannu
Copïo i clipfwrdd
\left(x^{2}-2x+1\right)\times 1.9
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.
1.9x^{2}-3.8x+1.9
Defnyddio’r briodwedd ddosbarthu i luosi x^{2}-2x+1 â 1.9.
\left(x^{2}-2x+1\right)\times 1.9
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.
1.9x^{2}-3.8x+1.9
Defnyddio’r briodwedd ddosbarthu i luosi x^{2}-2x+1 â 1.9.
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