Question

If the discriminant of the equation px

2 + 4x – 7 = 0 is 72, then find the

value of p.​

Answer 1

Answer:

?????????????????????????????????????

Answer 2

Answer:

85.6

Step-by-step explanation:

2+4x-7=0

4x-5=0

4x=5

x=5/4

Now px=72

p*5/4=72

5p=72*4

p=428/5

p= 85.6