SOLUTION: find the values of p for which (7p+1)x^2+(5p-1)x+p=1 has equal roots... thank you

Question 997509: find the values of p for which (7p+1)x^2+(5p-1)x+p=1 has equal roots...
thank you
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
find the values of p for which has equal roots
For the quadratic equation to have equal roots, the argument to the square root must equal zero and the solution is .

...........using quadratic formula, you have

solutions:
=>
or
=>=>

then your equation will be
if

=> this works, gives us one root
check:

or
if

=> this works, gives us one root

check:

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