( 5 x + 2 ) ( - 2 x + 3 ) + 4 ( - 2 x + 3 ) - 7 x ( - 2 x + 3
Enrhifo
2\left(x-3\right)\left(2x-3\right)
Ehangu
4x^{2}-18x+18
Graff
Rhannu
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-10x^{2}+15x-4x+6+4\left(-2x+3\right)-7x\left(-2x+3\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 5x+2 gan bob -2x+3.
-10x^{2}+11x+6+4\left(-2x+3\right)-7x\left(-2x+3\right)
Cyfuno 15x a -4x i gael 11x.
-10x^{2}+11x+6-8x+12-7x\left(-2x+3\right)
Defnyddio’r briodwedd ddosbarthu i luosi 4 â -2x+3.
-10x^{2}+3x+6+12-7x\left(-2x+3\right)
Cyfuno 11x a -8x i gael 3x.
-10x^{2}+3x+18-7x\left(-2x+3\right)
Adio 6 a 12 i gael 18.
-10x^{2}+3x+18+14x^{2}-21x
Defnyddio’r briodwedd ddosbarthu i luosi -7x â -2x+3.
4x^{2}+3x+18-21x
Cyfuno -10x^{2} a 14x^{2} i gael 4x^{2}.
4x^{2}-18x+18
Cyfuno 3x a -21x i gael -18x.
-10x^{2}+15x-4x+6+4\left(-2x+3\right)-7x\left(-2x+3\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 5x+2 gan bob -2x+3.
-10x^{2}+11x+6+4\left(-2x+3\right)-7x\left(-2x+3\right)
Cyfuno 15x a -4x i gael 11x.
-10x^{2}+11x+6-8x+12-7x\left(-2x+3\right)
Defnyddio’r briodwedd ddosbarthu i luosi 4 â -2x+3.
-10x^{2}+3x+6+12-7x\left(-2x+3\right)
Cyfuno 11x a -8x i gael 3x.
-10x^{2}+3x+18-7x\left(-2x+3\right)
Adio 6 a 12 i gael 18.
-10x^{2}+3x+18+14x^{2}-21x
Defnyddio’r briodwedd ddosbarthu i luosi -7x â -2x+3.
4x^{2}+3x+18-21x
Cyfuno -10x^{2} a 14x^{2} i gael 4x^{2}.
4x^{2}-18x+18
Cyfuno 3x a -21x i gael -18x.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Hafaliad llinol
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}