Mathematics
x(5x+4)=2x^2-13x+6 quad eq. solution set needed!
Question Description
x(5x+4)=2x^2-13x+6
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Final Answer
Please let me know if you need any clarification. I'm always happy to answer your questions.
x(5x+4)=2x^2-13x+6
First remove the parenthness:
5x^2+4x=2x^2-13x+6
Then take all terms to the left:
5x^2+4x-2x^2+13x-6=0
3x^2+17x-6=0
Then find discriminant D:
D=289-4*3*(-6)=361
sqrtD=sqrt 361=19
x1 =(-17-19)/(2*6)=-3
x2 =(-17+19)/(2*6)=2/12=1/6
So, the solution is: x1=-3 and x2=1/6
Please let me know if you need any clarification. I'm always happy to answer your questions.
tsveiukolha
(653)
Carnegie Mellon University
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