sikchisurajp00iq5comparing with ax²+bx+c=0 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
Answers & Comments
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