Solve for D
D=-\left(E+F+2\right)
Solve for E
E=-\left(D+F+2\right)
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1+1^{2}+D\times 1+E\times 1+F=0
Calculate 1 to the power of 2 and get 1.
1+1+D\times 1+E\times 1+F=0
Calculate 1 to the power of 2 and get 1.
2+D\times 1+E\times 1+F=0
Add 1 and 1 to get 2.
D\times 1+E\times 1+F=-2
Subtract 2 from both sides. Anything subtracted from zero gives its negation.
D\times 1+F=-2-E\times 1
Subtract E\times 1 from both sides.
D\times 1=-2-E\times 1-F
Subtract F from both sides.
D=-2-E-F
Reorder the terms.
D=-E-F-2
Reorder the terms.
1+1^{2}+D\times 1+E\times 1+F=0
Calculate 1 to the power of 2 and get 1.
1+1+D\times 1+E\times 1+F=0
Calculate 1 to the power of 2 and get 1.
2+D\times 1+E\times 1+F=0
Add 1 and 1 to get 2.
D\times 1+E\times 1+F=-2
Subtract 2 from both sides. Anything subtracted from zero gives its negation.
E\times 1+F=-2-D\times 1
Subtract D\times 1 from both sides.
E\times 1=-2-D\times 1-F
Subtract F from both sides.
E=-2-D-F
Reorder the terms.
E=-D-F-2
Reorder the terms.
Examples
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{ 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
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Matrix
\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]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}