Enrhifo
\frac{4\left(x-7\right)\left(x-5\right)\left(x+3\right)}{5}
Ehangu
\frac{4x^{3}}{5}-\frac{36x^{2}}{5}-\frac{4x}{5}+84
Graff
Rhannu
Copïo i clipfwrdd
\left(0.8x+2.4\right)\left(x-5\right)\left(x-7\right)
Defnyddio’r briodwedd ddosbarthu i luosi 0.8 â x+3.
\left(0.8x^{2}-4x+2.4x-12\right)\left(x-7\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 0.8x+2.4 gan bob x-5.
\left(0.8x^{2}-1.6x-12\right)\left(x-7\right)
Cyfuno -4x a 2.4x i gael -1.6x.
0.8x^{3}-5.6x^{2}-1.6x^{2}+11.2x-12x+84
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 0.8x^{2}-1.6x-12 gan bob x-7.
0.8x^{3}-7.2x^{2}+11.2x-12x+84
Cyfuno -5.6x^{2} a -1.6x^{2} i gael -7.2x^{2}.
0.8x^{3}-7.2x^{2}-0.8x+84
Cyfuno 11.2x a -12x i gael -0.8x.
\left(0.8x+2.4\right)\left(x-5\right)\left(x-7\right)
Defnyddio’r briodwedd ddosbarthu i luosi 0.8 â x+3.
\left(0.8x^{2}-4x+2.4x-12\right)\left(x-7\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 0.8x+2.4 gan bob x-5.
\left(0.8x^{2}-1.6x-12\right)\left(x-7\right)
Cyfuno -4x a 2.4x i gael -1.6x.
0.8x^{3}-5.6x^{2}-1.6x^{2}+11.2x-12x+84
Cyfrifwch y briodoledd ddosrannol drwy luosi pob 0.8x^{2}-1.6x-12 gan bob x-7.
0.8x^{3}-7.2x^{2}+11.2x-12x+84
Cyfuno -5.6x^{2} a -1.6x^{2} i gael -7.2x^{2}.
0.8x^{3}-7.2x^{2}-0.8x+84
Cyfuno 11.2x a -12x i gael -0.8x.
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}