Question

If (-4) is a zero of the polynomial x2 -x- ( 2k+2), the value of k is

Answer 1

$\star\bold\pink{Answer:-}$

$\implies$${x}^{2} - x -(2k+2) = 0$

$\implies$${-4}^{2} -(-4) - (2k+2) = 0$

$\implies$$256 + 4 -2k - 2 = 0$

$\implies$$250 -2k = 0$

$\implies$$2k = 250$

$\implies$$k = 125$ ..ans....