Question

$if \: k = 3 \: what \: is \: the \: value \: of \: 2k {}^{2} - k$
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Answer 1

$2 \times 3 {}^{2}$

$2 \times 9 = 18-3 = 15$

So 15 is solution

Answer 2

Step-by-step explanation:

15

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