SOLUTION: How do I factor out/solve this quadratic problem? 3x^2-15x-60?

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Question 227618: How do I factor out/solve this quadratic problem?
3x^2-15x-60?
Found 2 solutions by scott8148, Edwin McCravy:
Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
3 (x^2 - 5x - 20)

this is as far as it will factor ___ use the quadratic formula to find the solutions
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
How do I factor out/solve this quadratic problem?



First observe that you can factor out 3:



Can you think of two numbers which multiply to give -20
and which combine to give -5? No you can't, so there is
no way to factor further, so



is the final answer.  The comment that Scott made is wrong,
This is an expression, not an equation.  Expressions have no
solutions.

Edwin
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