Question

5x^2 = –45x

Answer 1

5x(x-9) = 0
x =0,9

Answer 2

thanks mike!!!

Answer 3

Check:
X=0
5*0=-45*0 True
X=-9
5(-9)^2=-45*(-9)
5*81=405
405=405 True

Answer 4

thanks for catching that

Answer 5

You are welcome

Answer 6

you wouldnt mind showing me how you got the 0 would you?

Answer 7

-9 isn't a solution. and the zero is from if x=0 then 5*0=0, and 0*(x-9) is 0 as well as the right side, which is also 0

Answer 8

-9 isnt a solution?

Answer 9

my bad, i meant 9 isn't a solution

Answer 10

5x(x+9) = 0
x =0, -9
should have been that