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p=(4p+5)(4p-5)
We move all terms to the left:
p-((4p+5)(4p-5))=0
We use the square of the difference formula
16p^2+p+25=0
a = 16; b = 1; c = +25;
Δ = b2-4ac
Δ = 12-4·16·25
Δ = -1599
Delta is less than zero, so there is no solution for the equation
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