SOLUTION: can guys give me an explanation on how to solve quadratic equations and quadratic functions

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Question 873756: can guys give me an explanation on how to solve quadratic equations and quadratic functions
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Getting it into the format
y = ax^2 + bx + c = 0
Quadratic formula ALWAYS works
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
Other ways
1) Factoring, if You can, to determine solution ***most popular
2) Using Matrices
3) Completing the Square and setting y to 0.