quadratic formula

Guest:

P squared plus 3P - 28 =0 using quadratic formula

P ²+3P-28=0

a=1 b= 3 and c= -28

now just put the numbers in. Why are you having problems?

[input]x=(-3+sqrt(3^2-4*1*-28))/(2*1)[/input]
or
[input]x=(-3-sqrt(3^2-4*1*-28))/(2*1)[/input]

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