solve 1-18p-63p2 solve
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Step-by-step explanation:
1-18p-63p²=0
63p²+18p-1=0
63p²+21p-3p-1=0
21p(3p+1)-1(3p+1)=0
3p+1=0,21p-1=0
3p=-1,21p=1
p=-1/3,p=1/21
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