Solve for k
k=0
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k=5k
Combine 2k and 3k to get 5k.
k-5k=0
Subtract 5k from both sides.
-4k=0
Combine k and -5k to get -4k.
k=0
Product of two numbers is equal to 0 if at least one of them is 0. Since -4 is not equal to 0, k must be equal to 0.
Examples
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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