which of the following is a factor of this equation: 4-(x + Y)^2
-(x + y)^2
x + y
2 - x + y
2 + x + y
4 + x + Y
Stacey Warren - Expert brainly.com
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You need to be careful with your brackets...
Difference of two squares where one of your squares is 4, the other is (x+y)^2
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ohhhh i see, it's a multiple choice and i just couldn't figure out where they were getting the right answer
so the correcy answer is 2 - x + y, why can't it be 2 + x + Y based on what you said?
It goes back to what I was saying about the brackets. You have to do some rearranging and put it in the appropriate form. What you could do is just expand out the factors that I gave you and then match them up. So\[(2-(x+y))(2+(x+y))=(2-x-y)(2+x+y)\]
When you look at your list, you only have 2 + x + y available to you.
oh, because of the negative sign, that where the bracket comes into play. it makes sense now, thank you very much
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