Question

2 x square - x minus 20

Answer 1

2x^2-x-20
complete the question plz.

Answer 2

Solution:-

given by:-

$2 {x}^{2} - x - 20 \\ by \: formula \\ \frac{ - b( + - ) \sqrt{ {b}^{2} - 4ac } }{2a} \\ \frac{1( + - ) \sqrt{1 + 81} }{4} \\ \frac{1 ( + - ) \sqrt{85} }{4} \\ \\ (x - \frac{1 - \sqrt{85} }{4} )(x - \frac{1 + \sqrt{85} }{4} )ans$
☆i hope its help☆