Ehangu
55+320x-256x^{2}
Enrhifo
-16\left(4x-2.5\right)^{2}+155
Graff
Rhannu
Copïo i clipfwrdd
-16\left(16x^{2}-20x+6.25\right)+155
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(4x-2.5\right)^{2}.
-256x^{2}+320x-100+155
Defnyddio’r briodwedd ddosbarthu i luosi -16 â 16x^{2}-20x+6.25.
-256x^{2}+320x+55
Adio -100 a 155 i gael 55.
-16\left(16x^{2}-20x+6.25\right)+155
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(4x-2.5\right)^{2}.
-256x^{2}+320x-100+155
Defnyddio’r briodwedd ddosbarthu i luosi -16 â 16x^{2}-20x+6.25.
-256x^{2}+320x+55
Adio -100 a 155 i gael 55.
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