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\left(x-2\right)\left(x-3\right)=\left(x+1\right)\left(x+4\right)
Variable x cannot be equal to any of the values -1,2 since division by zero is not defined. Multiply both sides of the equation by \left(x-2\right)\left(x+1\right), the least common multiple of x+1,x-2.
x^{2}-5x+6=\left(x+1\right)\left(x+4\right)
Use the distributive property to multiply x-2 by x-3 and combine like terms.
x^{2}-5x+6=x^{2}+5x+4
Use the distributive property to multiply x+1 by x+4 and combine like terms.
x^{2}-5x+6-x^{2}=5x+4
Subtract x^{2} from both sides.
-5x+6=5x+4
Combine x^{2} and -x^{2} to get 0.
-5x+6-5x=4
Subtract 5x from both sides.
-10x+6=4
Combine -5x and -5x to get -10x.
-10x=4-6
Subtract 6 from both sides.
-10x=-2
Subtract 6 from 4 to get -2.
x=\frac{-2}{-10}
Divide both sides by -10.
x=\frac{1}{5}
Reduce the fraction \frac{-2}{-10} to lowest terms by extracting and canceling out -2.