How do you solve 2x2+9x+4=0 using the quadratic formula?

1 Answer
Feb 27, 2016

x=12orx=4

Explanation:

Given equation is 2x2+9x+4=0
Comparing with ax2+bx+c=0

We get, a=2;b=9,c=4

x=b±b24ac2a

x=9±924×2×42×2

x=9±81324

x=9±494

x=9±74

x=9+74orx=974

x=24orx=164

x=12orx=4