Question

xsquare+7xー1=0 Quadratic equation​

Answer 1

Answer:

Given

x² + 7x - 1 = 0

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

since

b² - 4ac is the discriminant of quadratic equation

so,

7²- 4×1×(-1) = 49+4 = 53.