Solve for x
x=0
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-4x+20-30=-10
Use the distributive property to multiply -4 by x-5.
-4x-10=-10
Subtract 30 from 20 to get -10.
-4x=-10+10
Add 10 to both sides.
-4x=0
Add -10 and 10 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -4 is not equal to 0, x must be equal to 0.
Examples
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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