SOLUTION: Determine the quadratic equation with roots of -3/4 and 4/5

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Question 1080024: Determine the quadratic equation with roots of -3/4 and 4/5
Found 3 solutions by ikleyn, amfagge92, MathTherapy:
Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
.
It is 

 = 0,   


or, which is the same 


 = 0,


or, if you want to avoid fractions,


(4x+3)*(5x-4) = 0.


You can open parentheses, if you want/if you need.


Answer by amfagge92(93)   (Show Source): You can put this solution on YOUR website!
For any quadratic equation
x^2-(SUM OF ROOTS)+(PRODUCT OF ROOTS)=0
x^2-x(-3/4+4/5)+(-3/4*4/5)=0
20x^2+x-12=0
is the equation.
Answer by MathTherapy(10551)   (Show Source): You can put this solution on YOUR website!
Determine the quadratic equation with roots of -3/4 and 4/5
Correct answer: , not:  

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