Expand
-4k^{2}+12k-9
Evaluate
-\left(2k-3\right)^{2}
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-\left(4k^{2}-12k+9\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(2k-3\right)^{2}.
-4k^{2}+12k-9
To find the opposite of 4k^{2}-12k+9, find the opposite of each term.
-\left(4k^{2}-12k+9\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(2k-3\right)^{2}.
-4k^{2}+12k-9
To find the opposite of 4k^{2}-12k+9, find the opposite of each term.
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