SOLUTION: y = 4 x^2 - 2 x - 3 find zeros

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Question 453079: y = 4 x^2 - 2 x - 3 find zeros
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
y+=+4+x%5E2+-+2+x+-+3+=+%282x+-+3%29%282x+%2B+1%29+=+0
==> 2x - 3 = 0 ==> 2x = 3 ==> x = 3/2.
==> 2x + 1 = 0 ==> 2x = -1 ==> x = -1/2.