Enrhifo
-6x^{2}-8x-2
Ehangu
-6x^{2}-8x-2
Graff
Rhannu
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8x^{3}+6x^{2}-2x-1-8x^{3}-12x^{2}-6x-1
I ddod o hyd i wrthwyneb 8x^{3}+12x^{2}+6x+1, dewch o hyd i wrthwyneb pob term.
6x^{2}-2x-1-12x^{2}-6x-1
Cyfuno 8x^{3} a -8x^{3} i gael 0.
-6x^{2}-2x-1-6x-1
Cyfuno 6x^{2} a -12x^{2} i gael -6x^{2}.
-6x^{2}-8x-1-1
Cyfuno -2x a -6x i gael -8x.
-6x^{2}-8x-2
Tynnu 1 o -1 i gael -2.
8x^{3}+6x^{2}-2x-1-8x^{3}-12x^{2}-6x-1
I ddod o hyd i wrthwyneb 8x^{3}+12x^{2}+6x+1, dewch o hyd i wrthwyneb pob term.
6x^{2}-2x-1-12x^{2}-6x-1
Cyfuno 8x^{3} a -8x^{3} i gael 0.
-6x^{2}-2x-1-6x-1
Cyfuno 6x^{2} a -12x^{2} i gael -6x^{2}.
-6x^{2}-8x-1-1
Cyfuno -2x a -6x i gael -8x.
-6x^{2}-8x-2
Tynnu 1 o -1 i gael -2.
Enghreifftiau
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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
Terfynau
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}