Question

4-4x+4x的平方分之2x-6除以(x-3)乘以3-x分之(x+3)乘以(x-2)

Answer 1

4-4x+4x的平方分之2x-6除以(x-3)乘以3-x分之(x+3)乘以(x-2)

=(2x-6)÷4÷(x-3)×(x+3)÷(3-x)×(x-2)

=(x-3)÷2÷(x-3)×(x+3)÷(3-x)×(x-2)

=-1÷2×(x+3)÷(x-3)×(x-2)

=-(x+3)÷2(x-3)×(x-2)

=-(x+3)×(x-2)÷2(x-3)

=-(x²+x-6)/2(x-3)