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Mathematics 19 Online
OpenStudy (superman):

Factor out: 9ysquared - 12y + 4

OpenStudy (katrinakaif):

First, we need to look for a "GCF" Do you see one here?

OpenStudy (anonymous):

(3y-2)^2 or (3y-2)(3y-2)

OpenStudy (anonymous):

(3y-2)(3y-2)

OpenStudy (superman):

there isn't one Katrina

OpenStudy (katrinakaif):

By the by, 9ysquared can be substituted with the term 9y^2

OpenStudy (katrinakaif):

Yes, you are correct. Our next step is to follow the hard diamond method. Are you aware on how to begin dwelling on that method?

OpenStudy (superman):

yep got the answer thx Katrina

OpenStudy (anonymous):

When it comes to factoring you always want to look for multiples of the constant that also add together to equal the middle term. In this case you also have a number in your first term that needs to be multiplied and added in. 2*2 is multiples of 4 and when multiplied by -3 equal -6 and -6 -6+-6=-12, which is your middle term and determines that you have the correct answer. And it's good to memorize the signs.. if you have a polynomial where the plus is second, both signs of the factors are going to be the same as the first sign. If you have a subtraction sign as your second sign, both signs of the factors are going to be different, you will have to determine which side each goes though.

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