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170=(2w-4)w once you get here do you distribute?

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yes, distribute

170=(2w-4)w
170=2w^2-4w
0=2w^2-4w-170
I dont think im doing this right

It looks good to me.

Now try to factor the right side.

can you help me with that, im not sure how

First, divide both sides by 2

also, switch sides

2w^2 - 4w - 170 = 0
Divide both sides by 2

okay so 2w^2-4w-170=0
w^2-2w-85=0?

|dw:1356497065032:dw|

In your case we are solving for w instead of x, and we have a = 1, b = -2, and c = -85.

|dw:1356497319940:dw|

okay so is the answer w = 2SQRT(86)?

longest ans!

|dw:1356498098987:dw|

i know, Im so sorry for mathstudent55

Don't be sorry. this is fun for me.

Okay :) thank you so much that was a lot of help

I wrote x in the drawing but I meant W.
Now you know that W = 1 + sqrt(86) or W = 1 - sqrt(86)

okay, thank you sooooo much

You're welcome.

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