terryneedshelp terryneedshelp

01-09-2019
Mathematics

contestada

I don’t get how you get a and b

I dont get how you get a and b class=

Respuesta :

bella121955 bella121955

02-09-2019

For this question, you will now need to solve for both a and b, you can break down the expression that they want you to find:

(a^2-b^2)/(a-b)
= (a+b)(a-b)/(a-b) (Difference of squares)
= a+b (The (a-b) is common at the top and bottom so they will cancel

Now a+b =
Therefore the answer is (C)

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