Question

solve and find the value of a :​

Answer 1

as it is given it is divisible by(X+3)

now the reminder will be zero as it perfectly divisible we can take X+3=0

now X=-3

substitute it in above equation

(-3)*4-(-3)*3-11(-3)*2+a=0

81+81-99+a=0

162-99+a=0

63+a=o

a=-63