SOLUTION: I am having problems with this equation... y=-5X(squared)+X+4 can you help me solve and graph this problem

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Question 416482: I am having problems with this equation... y=-5X(squared)+X+4 can you help me solve and graph this problem
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x:
y+=+-5x%5E2%2Bx%2B4 Set y = 0.
-5x%5E2%2Bx%2B4+=+0 Factor the trinomial.
%28-5x-4%29%28x-1%29+=+0 Apply the zero product rule.
-5x-4+=+0 or x-1+=+0
If -5x-4+=+0 then -5x+=+4 and highlight%28x+=+-4%2F5%29
If x-1+=+0 then highlight%28x+=+1%29
Graph:
graph%28400%2C400%2C-5%2C5%2C-5%2C5%2C-5x%5E2%2Bx%2B4%29