Enrhifo
1+4x-6x^{2}
Ehangu
1+4x-6x^{2}
Graff
Rhannu
Copïo i clipfwrdd
4x^{2}+4x+1-5x\left(2x+1\right)+2\left(2x+1\right)+x-2
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2x+1\right)^{2}.
4x^{2}+4x+1-5x\left(2x+1\right)+4x+2+x-2
Defnyddio’r briodwedd ddosbarthu i luosi 2 â 2x+1.
4x^{2}+4x+1-5x\left(2x+1\right)+5x+2-2
Cyfuno 4x a x i gael 5x.
4x^{2}+4x+1-5x\left(2x+1\right)+5x
Tynnu 2 o 2 i gael 0.
4x^{2}+4x+1-10x^{2}-5x+5x
Defnyddio’r briodwedd ddosbarthu i luosi -5x â 2x+1.
-6x^{2}+4x+1-5x+5x
Cyfuno 4x^{2} a -10x^{2} i gael -6x^{2}.
-6x^{2}-x+1+5x
Cyfuno 4x a -5x i gael -x.
-6x^{2}+4x+1
Cyfuno -x a 5x i gael 4x.
4x^{2}+4x+1-5x\left(2x+1\right)+2\left(2x+1\right)+x-2
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2x+1\right)^{2}.
4x^{2}+4x+1-5x\left(2x+1\right)+4x+2+x-2
Defnyddio’r briodwedd ddosbarthu i luosi 2 â 2x+1.
4x^{2}+4x+1-5x\left(2x+1\right)+5x+2-2
Cyfuno 4x a x i gael 5x.
4x^{2}+4x+1-5x\left(2x+1\right)+5x
Tynnu 2 o 2 i gael 0.
4x^{2}+4x+1-10x^{2}-5x+5x
Defnyddio’r briodwedd ddosbarthu i luosi -5x â 2x+1.
-6x^{2}+4x+1-5x+5x
Cyfuno 4x^{2} a -10x^{2} i gael -6x^{2}.
-6x^{2}-x+1+5x
Cyfuno 4x a -5x i gael -x.
-6x^{2}+4x+1
Cyfuno -x a 5x i gael 4x.
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
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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]
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}