Find the value of a and b for which x= 3/4 and x=-2 are the roots of equation axpower square+bx-6=0

Find the value of a and b for which x= 3/4 and x=-2 are the roots of e

1.	Find the value of a and b for which x= 3/4 and x=-2 are the roots of equation axpower square+bx-6=0
Answer» Right answer is a= 4 and b= 5 My ans is a=+-√6 and b=0 a=4 and b=5