A(p)=p2+9p+20

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Solution for A(p)=p2+9p+20 equation: 



(A)=A2+9A+20

We move all terms to the left:

(A)-(A2+9A+20)=0

We add all the numbers together, and all the variables

-(+A^2+9A+20)+A=0

We get rid of parentheses

-A^2-9A+A-20=0

We add all the numbers together, and all the variables

-1A^2-8A-20=0

a = -1; b = -8; c = -20;
Δ = b2-4ac
Δ = -82-4·(-1)·(-20)
Δ = -16
Delta is less than zero, so there is no solution for the equation

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