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16k^{2}-9
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16k^{2}-9
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-12k-9+16k^{2}+12k
Apply the distributive property by multiplying each term of 3-4k by each term of -4k-3.
-9+16k^{2}
Combine -12k and 12k to get 0.
-12k-9+16k^{2}+12k
Apply the distributive property by multiplying each term of 3-4k by each term of -4k-3.
-9+16k^{2}
Combine -12k and 12k to get 0.
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