Question

solve it ==== x(2) +7x-1=0​

Answer 1

Given

$x {}^{2} + 7x - 1 = 0$

here , a= 1, b= 7 and c= -1

since

$b {}^{2} - 4ac$

is the discriminant of quadratic equation

so 7^2 - 4×1×(-1)

= 49+4 = 53.

hope it helps you

Answer 2

HOPE IT HELPED................