Ehangu
2x_{1}^{2}+4x_{1}+x_{2}^{2}+2x_{2}+3
Enrhifo
2\left(x_{1}+1\right)^{2}+\left(x_{2}+1\right)^{2}
Rhannu
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2\left(x_{1}^{2}+2x_{1}+1\right)+\left(x_{2}+1\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x_{1}+1\right)^{2}.
2x_{1}^{2}+4x_{1}+2+\left(x_{2}+1\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 2 â x_{1}^{2}+2x_{1}+1.
2x_{1}^{2}+4x_{1}+2+x_{2}^{2}+2x_{2}+1
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x_{2}+1\right)^{2}.
2x_{1}^{2}+4x_{1}+3+x_{2}^{2}+2x_{2}
Adio 2 a 1 i gael 3.
2\left(x_{1}^{2}+2x_{1}+1\right)+\left(x_{2}+1\right)^{2}
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x_{1}+1\right)^{2}.
2x_{1}^{2}+4x_{1}+2+\left(x_{2}+1\right)^{2}
Defnyddio’r briodwedd ddosbarthu i luosi 2 â x_{1}^{2}+2x_{1}+1.
2x_{1}^{2}+4x_{1}+2+x_{2}^{2}+2x_{2}+1
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x_{2}+1\right)^{2}.
2x_{1}^{2}+4x_{1}+3+x_{2}^{2}+2x_{2}
Adio 2 a 1 i gael 3.
Enghreifftiau
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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699 * 533
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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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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
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\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}