Enrhifo
2x\left(4x^{2}-30x+75\right)
Ehangu
8x^{3}-60x^{2}+150x
Graff
Rhannu
Copïo i clipfwrdd
8x^{3}-60x^{2}+150x-125+125
Defnyddio'r theorem binomaidd \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} i ehangu'r \left(2x-5\right)^{3}.
8x^{3}-60x^{2}+150x
Adio -125 a 125 i gael 0.
8x^{3}-60x^{2}+150x-125+125
Defnyddio'r theorem binomaidd \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} i ehangu'r \left(2x-5\right)^{3}.
8x^{3}-60x^{2}+150x
Adio -125 a 125 i gael 0.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
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\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}