Question

2x^2+15x=0

Answer 1

This has no solution for x. You're squaring x, so you won't get a negative number to cancel out for 15.

Answer 2

Oops

Answer 3

Does that make sense?

Answer 4

I forgot to add the x after 15.

Answer 5

Okay....now that makes sense!
First, move the 15x to the other side.

Answer 6

Alright

Answer 7

2x^2=15x

Answer 8

Leave the equation as it is and factor out x.

Answer 9

Remember, to move it to the other side, you need to subtract 15x from both sides.

Answer 10

x(2x+15)=0

Answer 11

Now use the fact that if the product of factors is 0, one of the factors has to be 0 and write:

Answer 12

\[x=0; or; 2x+15=0\]

Answer 13

Solve each part.

Answer 14

Did you get all that birdybird?

Answer 15

I think so...

Answer 16

Try doing the problem, and tell me what you get for x.

Answer 17

Well I factored out the x first and got 'x(2x+15)=0' Then I solved for x. '2x+15=0' And I got (0, 15/2)

Answer 18

You got x = 0 and 15/2?

Answer 19

Yes. Is that incorrect?

Answer 20

0 is right. What happens when you plug in 15/2 for x in 2x + 15?