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45=x+5xsquare.Simplify it.

45=x+5xsquare.Simplify it.
 
 

Grade:9

1 Answers

Ravi
askIITians Faculty 69 Points
9 years ago
5x2+x-45=0
D=b2-4ac>0

So roots are real.
Use the quadratic formula to find the value of x.
x= [-b+(b2-4ac)1/2]/2a;[-b-(b2-4ac)1/2]/2a
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