回答:
#(2(X + 1))/((2X-1)(X + 3))#
说明:
通过考虑注意:
#(X ^ 2-16)/(2×^ 2-9x + 4)÷(2×^ 2 + 14X + 24)/(4×4)=#
#((X + 4)(X-4))/((2X-1)(X-4))*(4(X + 1))/(2(X + 3)(X + 4))#
取消喜欢的条款:
#(取消((X + 4))取消((X-4)))/((2X-1)取消((X-4)))*(取消(4)的颜色(蓝色)(2)(X +1))/(取消(2)(x + 3)取消((x + 4)))=#
#(2(X + 1))/((2X-1)(X + 3))#