Question

Help! I need to factor 2x^2 + bx + 30 but I need a number for b!

Answer 1

@SolomonZelman

Answer 2

let b=a+c such that a*c=60
b=10+6=16
10*6=60
60=2*30
=3*20
=4*15
=5*12
=6*10
only possibility is 10 and 6 or
-10-6
-10*-6=60
-10-6=-16
so b is 16 or-16

Answer 3

number is only 16
and integers are -16 and 16

Answer 4

ok, thank you so much!

Answer 5

yw