#"the equation is in factorised form hence equate each of "#
#"the factors to zero"#
#x=0rArrx=0" is a solution"#
#x^2+4x+4=0to(x+2)^2=0#
#rArrx=-2" multiplicity 2 are solutions"#
#2x^3+3x=0tox(2x^2+3)=0#
#rArrx=0" is a solution"#
#2x^2+3=0tox^2=-3/2#
#rArrx=+-isqrt(3/2)" are complex solutions"#
#color(blue)"the solutions are"#
#x=0to" multiplicity 2"#
#x=-2to" multiplicity 2"#
#x=+-isqrt(3/2)#