2x^2-20x=x^2-192x 2
−20x=x
2
−192, x, squared, minus, 20, x, equals, x, squared, minus, 19

Rewrite the equation by completing the square.

What is the sum of the first 8 terms of the geometric series

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?

Plzzz answer both questions and i will give you 100 points