Match each exercise with the first step needed to perform the operation. Do not actually perform the operation.x+1 X-1XXChoose the correct answer below.*****OA. Multiply the numerators and multiply the denominators.B. Multiply the first rational expression by the reciprocal of the second rational expression.C. Subtract the numerators. Place the difference over a common denominator.D. Multiply the second rational expression by the reciprocal of the first rational expression.