SOLUTION: Find the x-intercept {{{y=4x^2+8x-5}}}

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Question 266847: Find the x-intercept
y=4x%5E2%2B8x-5
Answer by dabanfield(803) About Me  (Show Source):
You can put this solution on YOUR website!
y=4x%5E2%2B8x-5
The x-intercepts are the values of x where y = 0 so we need to solve the following for x:
4x^2 + 8x - 5 = 0
(2x + 5)*(2x - 1) = 0
So the solutions are where 2x + 5 = 0 and 2x - 1 = 0.
Solve these two equations for x.