It is -57k + 324
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The expression -k + 3k can be simplified by combining like terms. When you add -k and 3k, you are essentially adding -1k and 3k, which equals 2k. Therefore, the simplified expression is 2k.
==> 3k+14=k ==>3k-k=-14 ==>2k=-14 ==>k=-7 ans...
-47 + 6k = 3k - 2Add 47 to each side:6k = 3k +45Subtract 3k from each side:3k = 45Divide each side by 3:k = 15
(3k - 2)(3k - 2) or (3k - 2)2
It can be simplified to: 9k
The GCF is 3.