Question

Find the roots by the method of discriminate : x2

-24x -16=0​

Answer 1

Descriminent =b² _ 4ac

=(-24)²-4×1×{-16}

48 +64

Now x = -b √b²-4ac÷2a

-(-16)√112÷2

= 16 √112÷2

= 8 √112