Enrhifo
\left(3x^{2}+y-2\right)\left(9x^{4}-3\left(y-2\right)x^{2}+\left(y-2\right)^{2}\right)
Ehangu
27x^{6}+y^{3}-6y^{2}+12y-8
Rhannu
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27x^{6}+y^{3}-6y^{2}+12y-8
Defnyddio'r theorem binomaidd \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} i ehangu'r \left(y-2\right)^{3}.
27x^{6}+y^{3}-6y^{2}+12y-8
Defnyddio'r theorem binomaidd \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} i ehangu'r \left(y-2\right)^{3}.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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699 * 533
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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