Evaluate
50\left(x+40\right)
Factor
50\left(x+40\right)
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2000+50x-0x^{2}
Multiply 0 and 5 to get 0.
2000+50x-0
Anything times zero gives zero.
2000+50x+0
Multiply -1 and 0 to get 0.
2000+50x
Add 2000 and 0 to get 2000.
50\left(40+x+0\right)
Factor out 50.
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Limits
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