化简 (x+2)*(sqrt(x+3))

解答

化简

(x + 2) \cdot (x + 3)

(x + 2) x + 3

求解步骤

(x + 2) (x + 3)

使用法则:

(a) = a

(x + 3) = x + 3

= (x + 2) x + 3

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