Question

Solve : 4x(square) -5x -3

Answer 1

$4x {}^{2} - 5x - 3$
Find D = b^2 - 4ac

= (-5)^2 - 4(4)(-3)

= 25 + 48

= 73

x= (-b + root d) / 2a and (-b - root d) / 2a

= -(-5) + root 73 / 2×4

x = (5 + root 73) / 8 and (5 - root 73) / 8



Thanks