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HELP ME HELP ME I DUNNODUNNODUNNO HOW TO DO:

1. a piece of wire 52cm long is cut into two parts, each of which is bent to form a square. if the sum of the areas of the two squares is 89cm², find the perimeter of each square.

2. given that (x+y)² = 40 and xy = 5, find the value of (3x-3y)².

IF YOU HELP ME SOLVE THESE I WILL LOVE YOU FOREVER AND EVER!*

*no, just kidding, but i will be really grateful (=.

and i know this post is stupid. but it's davina's fault.