If using the method of completing the square to solve the quadratic equation x^2+15x+34=0x 2
+15x+34=0, which number would have to be added to "complete the square"?

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

i think that you should ask google for the answer to that problem because if we don't know it google does

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