Question

Solve 5x^2 = –45x.

Answer 1

\[5x^2=-45x\]
\[x^2/x = -45/5\]
\[x=-9\]

Answer 2

x = -9

Answer 3

U miss out that x=0 is a solution too

Answer 4

correct

5x^2 = -45x
=> 5x^2 + 45x = 0
=> 5x(x+9) = 0
thus the solutions are
x = 0 , x = -9

Answer 5

good work andras

Answer 6

Thank you, everyone! (: