Enrhifo
18x^{2}-7x-6
Ehangu
18x^{2}-7x-6
Graff
Rhannu
Copïo i clipfwrdd
10x^{2}-6x+1-\left(x+7-8x^{2}\right)
Cyfuno 5x a -4x i gael x.
10x^{2}-6x+1-x-7+8x^{2}
I ddod o hyd i wrthwyneb x+7-8x^{2}, dewch o hyd i wrthwyneb pob term.
10x^{2}-7x+1-7+8x^{2}
Cyfuno -6x a -x i gael -7x.
10x^{2}-7x-6+8x^{2}
Tynnu 7 o 1 i gael -6.
18x^{2}-7x-6
Cyfuno 10x^{2} a 8x^{2} i gael 18x^{2}.
10x^{2}-6x+1-\left(x+7-8x^{2}\right)
Cyfuno 5x a -4x i gael x.
10x^{2}-6x+1-x-7+8x^{2}
I ddod o hyd i wrthwyneb x+7-8x^{2}, dewch o hyd i wrthwyneb pob term.
10x^{2}-7x+1-7+8x^{2}
Cyfuno -6x a -x i gael -7x.
10x^{2}-7x-6+8x^{2}
Tynnu 7 o 1 i gael -6.
18x^{2}-7x-6
Cyfuno 10x^{2} a 8x^{2} i gael 18x^{2}.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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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}