Question

Find the x-intercepts of f(x)=3x^2-5x-11=0

Answer 1

for x-intercepts of f(x)=3x^2-5x-11=0, solve for x, use quadratic formula
x=[-b+sqrt(b^2 -4ac)]/2a, where a=3,b=-5,c=-11, using the formula we get
x1=2.922 ....ans and x2=-1.255 ....ans

Answer 2

x=[-b-+sqrt(b^2 -4ac)]/2a,