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madam [21]
3 years ago
8

4x^2 + kxy - 9y^2 How to solve for k?

Mathematics
1 answer:
Len [333]3 years ago
3 0
-kxy=4x^2-9y^2
-kx=(4x^2/y)-9y
-k=4x/y-9y
k=-4x/y+9y
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