Question

solve the equation in the set of complex numbers. give only exact answers, not approximations...
4x(x-2)-3x(x+1)=-18

Answer 1

x=2,9

Answer 2

x=1,10

Answer 3

how?

Answer 4

4x^2-8x-3x^2-3x+18=0
x^2-11x+18=0
(x-2)(x-9)=0
so, x=2,9

Answer 5

dont know how luckey got different answer..

Answer 6

yeah thats why i needed the work haha

Answer 7

yeah 2,9 only

Answer 8

that was a calculation mistake