Subject :IMO Class : Class 7
If 20x − 25 is expressed in the form a(4x + b) , then the value of a + b is __________.
A20
B10
C0
D30
If 20x − 25 is expressed in the form a(4x + b) , then the value of a + b is __________.
A20
B10
C0
D30