Book
Maths Puzzle
Quadratic Equations
1. Solve the equation: 2x^3 + 6x= 8x^2
2. Explain why it is incorrect to solve the equation (y-2) (y+2) =4 by setting y-2=2 and y+2=2 and solving the resulting equations.
Tha
Read Solution (Total 1)
-
- 1. 2x^3 + 6x= 8x^2
=> x(x^2-4x+3)=0
=> x(x-1)(x-3)=0
=> x=0,1,3
- 10 years agoHelpfull: Yes(0) No(0)
Book Other Question