因式分解 (AB)+(AC)

解答

因式分解

(A \cdot B) + (A \cdot C)

A (B + C)

求解步骤

(A B) + (A C)

去除括号:

(a) = a

= A B + A C

因式分解出通项

A

= A (B + C)

f a c t or sin (ln (3 x^{2}))

f a c t or a x^{2} - a y^{2} + b x^{2} - b y^{2}

f (a) = 4 (a)^{2}

f a c t or 9 x^{2} + x^{2}

f a c t or d (5 tan (5 x))