Question

Prove that x^2+2x+7 does not have any real zeroes.It is very urgent prove it as per a 9 th grade student.​

Answer 1

Step-by-step explanation:

x²+2x+7

b²-4ac

2²-4(1)(7)

4-28

-24

b²-4ac<0

if b²-4ac is less than zero then no real roots exist