Question

2k^2 - 5k + 12 = 10

Answer 1

number 10 should switch to the left side so it will be:
\[2k ^{2}-5k+2=0\]
determine the factor...
if u confused, try using this formula:
\[k=\frac{ (-b)\pm \sqrt{b ^{2}-4ac} }{ 2a }\]

Answer 2

I got k = 2, 1/2

Answer 3

@sagitariuslove that's right