化简 (7sqrt(x)+3)(6sqrt(x)+6)

解答

化简

(7 x + 3) (6 x + 6)

42 x + 60 x + 18

求解步骤

(7 x + 3) (6 x + 6)

Apply FOIL method

(7 x + 3) (6 x + 6) : 42 x + 60 x + 18

= 42 x + 60 x + 18

e x p an d 2 (3 + r) (2 - e)

e x p an d (x^{3} + 2 x^{2} - 4 x - 3) l e f t (x^{2} - 2)

s im pl i f y (n - 22) (n + 22)

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

e x p an d A (3 (e^{x} x^{2} + 2 x e^{x}) + (e^{x^{4}} \cdot 4 x^{3}))