How do you solve #3x^3 + 2x = x^4 + 2x#?
1 Answer
Jul 4, 2017
Explanation:
#"rearrange equation and equate to zero"#
#rArrx^4-3x^3=0#
#rArrx^3(x-3)=0#
#"equate each factor to zero and solve"#
#x^3=0rArrx=0" with multiplicity 3"#
#x-3=0rArrx=3" with multiplicity 1"#
