Enrhifo
-\frac{\left(x-5\right)^{2}}{3}-1
Ehangu
\frac{-x^{2}+10x-28}{3}
Graff
Rhannu
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-\frac{1}{3}\left(x^{2}-10x+25\right)-1
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-5\right)^{2}.
-\frac{1}{3}x^{2}+\frac{10}{3}x-\frac{25}{3}-1
Defnyddio’r briodwedd ddosbarthu i luosi -\frac{1}{3} â x^{2}-10x+25.
-\frac{1}{3}x^{2}+\frac{10}{3}x-\frac{28}{3}
Tynnu 1 o -\frac{25}{3} i gael -\frac{28}{3}.
-\frac{1}{3}\left(x^{2}-10x+25\right)-1
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-5\right)^{2}.
-\frac{1}{3}x^{2}+\frac{10}{3}x-\frac{25}{3}-1
Defnyddio’r briodwedd ddosbarthu i luosi -\frac{1}{3} â x^{2}-10x+25.
-\frac{1}{3}x^{2}+\frac{10}{3}x-\frac{28}{3}
Tynnu 1 o -\frac{25}{3} i gael -\frac{28}{3}.
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