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Bruhreally
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Algebra
Solve: p^2  8p + 21=6
P=?
Proof
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Re: Algebra
p²  8p + 21 = 6
p²  8p + 15 = 0 subtracted 6
(p  5)(p  3) = 0 factored into two binomials
p  5 = 0 or p  3 = 0 set each equal to zero
p = 5 or p = 3 solved each equation
 Proof
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