9p²-p²/9p²+6pq+q² это дробь

Question

9p²-p²/9p²+6pq+q² это дробь

Answer 1

9p² - p² / 9p² + 6pq + q² = (3p-p) × ( 3p+p) / (3p + q )² = 3 - p /

Comments

Ой, = 3p - q / 3p + q