Question

Factor -5x^2-9x=0

Answer 1

first you find your gcf

Answer 2

which is...

Answer 3

I have forgotten I need help

Answer 4

im not going to give you th

Answer 5

the answers

Answer 6

Is the bcc x

Answer 7

gretest common factor is x yes

Answer 8

so oyu put that up front

Answer 9

so it should look like this
\[x(-5x-9)\]

Answer 10

then you set both the x and the 5x-9 equal to zero

Answer 11

and then solve for x

Answer 12

got it?

Answer 13

Now I have done what you have told me but I Don't understand how I could musket equal to 0

Answer 14

x=0
5x-9=0

Answer 15

note we want to factor things
a*b = 2 has infinite solutions for a and b a = 4 b = 1/2 a = 8 b = 1/4
but
a*b = 0 has ONLY three solutions a = 0 b = 0 or both a and b = 0
this is why we factor these things as we do.

Answer 16

ur going to confuse him/her

Answer 17

Preach it!!!!

Answer 18

but now u find x

Answer 19

So after I have the equation you have above I solve for X

Answer 20

yep