Question

one of the root of equation kX square - 14x-5=0 is___
Now let x=___ in the equation
k__^2 - 14__ - 5 = 0
25k-70-5=0
25k - __ = 0
25k = __
k = __ upon __ = 3
please fill the blanks
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Answer 1

3x^2-14x-5=0

3x^2-(15-1)x-5=0

3x^2-15x+x-5=0

3x(x-5)+1(x-5)=0

(x-5)(3x+1)=0

x=5 , x=-1/3