By middle split term-
1 9p2-18p+13
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Step-by-step explanation:
19p2-18p+13=0
p =-b+-√b^2-4ac/2a
p =-18 +-√18^2-4×19×13/2×19
p = -18+-√324-989/38
p =-18 +-√-625/38
p =-18+-(-25)/38
p = -18-25/38= -43/38
p = -18+25/38 = 7/38
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