x(x-7.2)(x-15.6
Enrhifo
x\left(x-15.6\right)\left(x-7.2\right)
Ehangu
x^{3}-\frac{114x^{2}}{5}+\frac{2808x}{25}
Graff
Cwis
x(x-7.2)(x-15.6
Rhannu
Copïo i clipfwrdd
\left(x^{2}-7.2x\right)\left(x-15.6\right)
Defnyddio’r briodwedd ddosbarthu i luosi x â x-7.2.
x^{3}-15.6x^{2}-7.2x^{2}+112.32x
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x^{2}-7.2x gan bob x-15.6.
x^{3}-22.8x^{2}+112.32x
Cyfuno -15.6x^{2} a -7.2x^{2} i gael -22.8x^{2}.
\left(x^{2}-7.2x\right)\left(x-15.6\right)
Defnyddio’r briodwedd ddosbarthu i luosi x â x-7.2.
x^{3}-15.6x^{2}-7.2x^{2}+112.32x
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x^{2}-7.2x gan bob x-15.6.
x^{3}-22.8x^{2}+112.32x
Cyfuno -15.6x^{2} a -7.2x^{2} i gael -22.8x^{2}.
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