Enrhifo
44x-33y-34
Ehangu
44x-33y-34
Cwis
Algebra
5 problemau tebyg i:
15 ( 2 x - y - 2 ) - 2 [ 3 ( x - 2 y + 4 ) - 5 ( 2 x - 3 y + 2 ) ] \}
Rhannu
Copïo i clipfwrdd
30x-15y-30-2\left(3\left(x-2y+4\right)-5\left(2x-3y+2\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 15 â 2x-y-2.
30x-15y-30-2\left(3x-6y+12-5\left(2x-3y+2\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 3 â x-2y+4.
30x-15y-30-2\left(3x-6y+12-10x+15y-10\right)
Defnyddio’r briodwedd ddosbarthu i luosi -5 â 2x-3y+2.
30x-15y-30-2\left(-7x-6y+12+15y-10\right)
Cyfuno 3x a -10x i gael -7x.
30x-15y-30-2\left(-7x+9y+12-10\right)
Cyfuno -6y a 15y i gael 9y.
30x-15y-30-2\left(-7x+9y+2\right)
Tynnu 10 o 12 i gael 2.
30x-15y-30+14x-18y-4
Defnyddio’r briodwedd ddosbarthu i luosi -2 â -7x+9y+2.
44x-15y-30-18y-4
Cyfuno 30x a 14x i gael 44x.
44x-33y-30-4
Cyfuno -15y a -18y i gael -33y.
44x-33y-34
Tynnu 4 o -30 i gael -34.
30x-15y-30-2\left(3\left(x-2y+4\right)-5\left(2x-3y+2\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 15 â 2x-y-2.
30x-15y-30-2\left(3x-6y+12-5\left(2x-3y+2\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 3 â x-2y+4.
30x-15y-30-2\left(3x-6y+12-10x+15y-10\right)
Defnyddio’r briodwedd ddosbarthu i luosi -5 â 2x-3y+2.
30x-15y-30-2\left(-7x-6y+12+15y-10\right)
Cyfuno 3x a -10x i gael -7x.
30x-15y-30-2\left(-7x+9y+12-10\right)
Cyfuno -6y a 15y i gael 9y.
30x-15y-30-2\left(-7x+9y+2\right)
Tynnu 10 o 12 i gael 2.
30x-15y-30+14x-18y-4
Defnyddio’r briodwedd ddosbarthu i luosi -2 â -7x+9y+2.
44x-15y-30-18y-4
Cyfuno 30x a 14x i gael 44x.
44x-33y-30-4
Cyfuno -15y a -18y i gael -33y.
44x-33y-34
Tynnu 4 o -30 i gael -34.
Enghreifftiau
Hafaliad cwadratig
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometreg
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}