q 3solve it with correct answer
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a=2p+1 , b= 7p+2 , c=7p-3
for equal rooys D must equal to zero.
D=b²-4ac
0=(7p+2)²-4*2p+1*7p-3
0=49P²+28p+4 - 4(14p²-6p+7p-3)
0=49p²-56p²+28p-4p+4+3
0=7p²+24p+7
sosolve this quadratic equation and you will get your answer