Practice problem
Given x2+2xy=25−y2x^2 + 2xy = 25-y^2x2+2xy=25−y2, solve for yyy in terms of xxx.
y=5±xy = 5\pm xy=5±x
y=x±5y=x\pm5y=x±5
y=−x±5y=-x\pm5y=−x±5
y=−5±xy=-5\pm xy=−5±x
Type a concept, like “slope” or “photosynthesis”.