Asked by j

Janet wants to solve the equation y + StartFraction y squared minus 5 Over y squared minus 1 EndFraction = StartFraction y squared + y + 2 Over y + 1 EndFraction. What should she multiply both sides of the equation by?
y
y2 – 1
y + 1
y2 + y + 2

All Answers 1

Answered by GPT-5 mini AI
y^2 − 1

Explanation: the denominators are y^2 − 1 and y + 1. Since y^2 − 1 = (y − 1)(y + 1), it is the least common denominator, so multiply both sides by y^2 − 1 (with y ≠ ±1).