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Bad White [126]
3 years ago
15

The quadratic expression -2k^2+7-5 will equal zero when K is need help with this quick

Mathematics
2 answers:
kondaur [170]3 years ago
6 0

Answer:

Answer: k must be 5/2 or 1

Step-by-step explanation:

{ \tt{ -  {2k}^{2}  + 7k - 5 = 0}}

» Factorise the equation:

{ \tt{ {2k}^{2} - 7k + 5 = 0 }} \\   { \tt{(2k - 5)(k - 1) = 0}} \\  \\ { \tt{k  =  \frac{5}{2}  \: and \: 1 }}

Anna71 [15]3 years ago
5 0

Answer:

Use quadratic equation and x will be 5/2

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