SOLUTION: what is the value or values of p in the quadratic equation p2+13p-30=0

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Question 3735: what is the value or values of p in the quadratic equation p2+13p-30=0
Answer by farriem(7) About Me  (Show Source):
You can put this solution on YOUR website!
This is a quadratic equation
Here is how you solve it
1) Add 30 to both sides
2) Add the square of 1/2 of the coeficcient of x to both sides
3) Make the left side the square of a bionomial
4) Take the square root of each side
5) Solve
Work
1) p%5E2%2B13p-30%2B30=0%2B30
1a)p%5E2%2B13p=30
2) p%5E2%2B13p%2B76.25=106.25
3) %28p%2B7.5%29%5E2=106.25
4) p%2B7.5=10.30
5) p=2.8