Question

5x2 - 4x – 9 = 0
Master Product:
try

Answer 1

Explanation:

5×-9=-45

-9+5=-4

5x²-4x-9=0

5x²-9x+5x-9=0

x(5x-9)+1(5x-9)=0

(5x-9)(x+1)=0

x=-1,9/5