Enrhifo
\frac{19x-122}{5}
Ehangu
\frac{19x-122}{5}
Graff
Rhannu
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14+2.5\times 12+3.8\left(x-15-3\right)
Tynnu 3 o 15 i gael 12.
14+30+3.8\left(x-15-3\right)
Lluosi 2.5 a 12 i gael 30.
44+3.8\left(x-15-3\right)
Adio 14 a 30 i gael 44.
44+3.8\left(x-18\right)
Tynnu 3 o -15 i gael -18.
44+3.8x-68.4
Defnyddio’r briodwedd ddosbarthu i luosi 3.8 â x-18.
-24.4+3.8x
Tynnu 68.4 o 44 i gael -24.4.
14+2.5\times 12+3.8\left(x-15-3\right)
Tynnu 3 o 15 i gael 12.
14+30+3.8\left(x-15-3\right)
Lluosi 2.5 a 12 i gael 30.
44+3.8\left(x-15-3\right)
Adio 14 a 30 i gael 44.
44+3.8\left(x-18\right)
Tynnu 3 o -15 i gael -18.
44+3.8x-68.4
Defnyddio’r briodwedd ddosbarthu i luosi 3.8 â x-18.
-24.4+3.8x
Tynnu 68.4 o 44 i gael -24.4.
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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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}