x = - [tex]\frac{7}{4}[/tex] or x = 0
take out a common factor 2x
2x(4x + 7 ) = 0
equate each factor to zero and solve for x
2x = 0 ⇒ x = 0
4x + 7 = 0 ⇒ x = - [tex]\frac{7}{4}[/tex]
