因式分解 (7p+14pq)/(9p+18pq)

解答

因式分解

\frac{7 p + 14 pq}{9 p + 18 pq}

\frac{7}{9}

十进制

0.77777 \dots

求解步骤

\frac{7 p + 14 pq}{9 p + 18 pq}

分解

7 p + 14 pq : 7 p (1 + 2 q)

= \frac{7 p ( 1 + 2 q )}{9 p + 18 pq}

分解

9 p + 18 pq : 9 p (1 + 2 q)

= \frac{7 p ( 1 + 2 q )}{9 p ( 1 + 2 q )}

消掉

\frac{7 p ( 1 + 2 q )}{9 p ( 1 + 2 q )} : \frac{7}{9}

= \frac{7}{9}

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