化简 (sqrt(x)+1)*(sqrt(x)+2)

解答

化简

(x + 1) \cdot (x + 2)

x + 3 x + 2

求解步骤

(x + 1) (x + 2)

Apply FOIL method

(x + 1) (x + 2) : x + 3 x + 2

= x + 3 x + 2

s im pl i f y x (x^{2} - 2 x + \frac{1}{2})

e x p an d (\frac{x}{6} + 1)^{4}

e x p an d - 3 (8 x^{2} - 8 x + 1) (2 x - 1)^{3} (x^{2} - x)^{\frac{1}{2}}

s im pl i f y - 2 x (2 x + 5 y)

e x p an d e^{t^{2} - t} (4 t - 2)