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Solve for k (complex solution)
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Solve for k
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Solve for m
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2k\left(m-2\right)\left(m+2\right)+\left(m-2\right)\left(-2\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Multiply both sides of the equation by \left(m-2\right)\left(m+2\right).
\left(2km-4k\right)\left(m+2\right)+\left(m-2\right)\left(-2\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply 2k by m-2.
2km^{2}-8k+\left(m-2\right)\left(-2\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply 2km-4k by m+2 and combine like terms.
2km^{2}-8k+\left(-2m+4\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply m-2 by -2.
2km^{2}-8k+\left(-2mk+4k\right)m+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply -2m+4 by k.
2km^{2}-8k-2km^{2}+4km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply -2mk+4k by m.
-8k+4km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Combine 2km^{2} and -2km^{2} to get 0.
-8k+4km+\left(m^{2}-4\right)\left(-8\right)=0
Use the distributive property to multiply m-2 by m+2 and combine like terms.
-8k+4km-8m^{2}+32=0
Use the distributive property to multiply m^{2}-4 by -8.
-8k+4km+32=8m^{2}
Add 8m^{2} to both sides. Anything plus zero gives itself.
-8k+4km=8m^{2}-32
Subtract 32 from both sides.
\left(-8+4m\right)k=8m^{2}-32
Combine all terms containing k.
\left(4m-8\right)k=8m^{2}-32
The equation is in standard form.
\frac{\left(4m-8\right)k}{4m-8}=\frac{8m^{2}-32}{4m-8}
Divide both sides by -8+4m.
k=\frac{8m^{2}-32}{4m-8}
Dividing by -8+4m undoes the multiplication by -8+4m.
k=2m+4
Divide 8m^{2}-32 by -8+4m.
2k\left(m-2\right)\left(m+2\right)+\left(m-2\right)\left(-2\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Multiply both sides of the equation by \left(m-2\right)\left(m+2\right).
\left(2km-4k\right)\left(m+2\right)+\left(m-2\right)\left(-2\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply 2k by m-2.
2km^{2}-8k+\left(m-2\right)\left(-2\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply 2km-4k by m+2 and combine like terms.
2km^{2}-8k+\left(-2m+4\right)km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply m-2 by -2.
2km^{2}-8k+\left(-2mk+4k\right)m+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply -2m+4 by k.
2km^{2}-8k-2km^{2}+4km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Use the distributive property to multiply -2mk+4k by m.
-8k+4km+\left(m-2\right)\left(m+2\right)\left(-8\right)=0
Combine 2km^{2} and -2km^{2} to get 0.
-8k+4km+\left(m^{2}-4\right)\left(-8\right)=0
Use the distributive property to multiply m-2 by m+2 and combine like terms.
-8k+4km-8m^{2}+32=0
Use the distributive property to multiply m^{2}-4 by -8.
-8k+4km+32=8m^{2}
Add 8m^{2} to both sides. Anything plus zero gives itself.
-8k+4km=8m^{2}-32
Subtract 32 from both sides.
\left(-8+4m\right)k=8m^{2}-32
Combine all terms containing k.
\left(4m-8\right)k=8m^{2}-32
The equation is in standard form.
\frac{\left(4m-8\right)k}{4m-8}=\frac{8m^{2}-32}{4m-8}
Divide both sides by -8+4m.
k=\frac{8m^{2}-32}{4m-8}
Dividing by -8+4m undoes the multiplication by -8+4m.
k=2m+4
Divide 8m^{2}-32 by -8+4m.