4000 ( 20 - a ) + 2500 ( 30 + 2 a k ) ( 1000
Evaluate
5000000ak-4000a+75080000
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5000000ak-4000a+75080000
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80000-4000a+2500\left(30+2ak\right)\times 1000
Use the distributive property to multiply 4000 by 20-a.
80000-4000a+2500000\left(30+2ak\right)
Multiply 2500 and 1000 to get 2500000.
80000-4000a+75000000+5000000ak
Use the distributive property to multiply 2500000 by 30+2ak.
75080000-4000a+5000000ak
Add 80000 and 75000000 to get 75080000.
80000-4000a+2500\left(30+2ak\right)\times 1000
Use the distributive property to multiply 4000 by 20-a.
80000-4000a+2500000\left(30+2ak\right)
Multiply 2500 and 1000 to get 2500000.
80000-4000a+75000000+5000000ak
Use the distributive property to multiply 2500000 by 30+2ak.
75080000-4000a+5000000ak
Add 80000 and 75000000 to get 75080000.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}