因式分解 e(a+4b)^2-3(a+4b)

解答

因式分解

e (a + 4 b)^{2} - 3 (a + 4 b)

(a + 4 b) (e a + 4 e b - 3)

求解步骤

e (a + 4 b)^{2} - 3 (a + 4 b)

因式分解出通项

(a + 4 b)

= (a + 4 b) (e (a + 4 b) - 3)

乘开

e (a + 4 b) - 3 : e a + 4 e b - 3

= (a + 4 b) (e a + 4 e b - 3)

s im pl i f y (\frac{d}{d x} (y + z (x)))^{2}

f a c t or (x^{2} - 5 y^{2}) + (x - 2 y)

f a c t or 3 x^{2} - x^{2}

f a c t or 5^{2} + 7 x + 12

f a c t or (x + 3) (x - 6) - 4 x