2xy + 3(x3 + 2) x = 2, y = -2

What number should be added to both sides of the equation to complete this square? x^2-10x=7

For each proportion find the unknown number x 1/5/8=×/15

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?