The square of the sum of two numbers x and y

(x + y)^2

Step-by-step explanation:

Hope this helped! :)

x2+2xy+y2

Step-by-step explanation:

the answer is x2+2xy+y2

Take a look at the picture.  to draw an angle bisector, we first need to : d. place the compass needle on the vertex of the angle, and draw an arc across both legs of the angle.the arc is shown with the deep blue. the points it intersects  the legs are denoted with red.then, we would draw 2 circles of same radius, with center the red points, which meet at the yellow point.the last step would be to join the yellow point and the vertex with a line segment, which is the angle bisector.answer: d