Enrhifo
-6x
Ehangu
-6x
Graff
Rhannu
Copïo i clipfwrdd
x^{2}-2x+1-2x-\left(x+1\right)^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.
x^{2}-4x+1-\left(x+1\right)^{2}
Cyfuno -2x a -2x i gael -4x.
x^{2}-4x+1-\left(x^{2}+2x+1\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.
x^{2}-4x+1-x^{2}-2x-1
I ddod o hyd i wrthwyneb x^{2}+2x+1, dewch o hyd i wrthwyneb pob term.
-4x+1-2x-1
Cyfuno x^{2} a -x^{2} i gael 0.
-6x+1-1
Cyfuno -4x a -2x i gael -6x.
-6x
Tynnu 1 o 1 i gael 0.
x^{2}-2x+1-2x-\left(x+1\right)^{2}
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-1\right)^{2}.
x^{2}-4x+1-\left(x+1\right)^{2}
Cyfuno -2x a -2x i gael -4x.
x^{2}-4x+1-\left(x^{2}+2x+1\right)
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.
x^{2}-4x+1-x^{2}-2x-1
I ddod o hyd i wrthwyneb x^{2}+2x+1, dewch o hyd i wrthwyneb pob term.
-4x+1-2x-1
Cyfuno x^{2} a -x^{2} i gael 0.
-6x+1-1
Cyfuno -4x a -2x i gael -6x.
-6x
Tynnu 1 o 1 i gael 0.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
y = 3x + 4
Rhifyddeg
699 * 533
Matrics
\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]
Hafaliad ar y pryd
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Gwahaniaethu
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integreiddiad
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}