Evaluate
2\left(100-x\right)\left(x-z-40\right)
Expand
-2x^{2}+2xz+280x-200z-8000
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-2x^{2}+200x+80x-8000+2zx-200z
Apply the distributive property by multiplying each term of x-40-z by each term of -2x+200.
-2x^{2}+280x-8000+2zx-200z
Combine 200x and 80x to get 280x.
-2x^{2}+200x+80x-8000+2zx-200z
Apply the distributive property by multiplying each term of x-40-z by each term of -2x+200.
-2x^{2}+280x-8000+2zx-200z
Combine 200x and 80x to get 280x.
Examples
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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