Enrhifo
-0.5
Ffactor
-0.5
Graff
Rhannu
Copïo i clipfwrdd
7y-2-5y-\left(-5.5\right)+y-\left(4+3y\right)
I ddod o hyd i wrthwyneb 5y-5.5, dewch o hyd i wrthwyneb pob term.
7y-2-5y+5.5+y-\left(4+3y\right)
Gwrthwyneb -5.5 yw 5.5.
2y-2+5.5+y-\left(4+3y\right)
Cyfuno 7y a -5y i gael 2y.
2y+3.5+y-\left(4+3y\right)
Adio -2 a 5.5 i gael 3.5.
3y+3.5-\left(4+3y\right)
Cyfuno 2y a y i gael 3y.
3y+3.5-4-3y
I ddod o hyd i wrthwyneb 4+3y, dewch o hyd i wrthwyneb pob term.
3y-0.5-3y
Tynnu 4 o 3.5 i gael -0.5.
-0.5
Cyfuno 3y a -3y i gael 0.
Enghreifftiau
Hafaliad cwadratig
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y = 3x + 4
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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}