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\left(x-2\right)\left(x+4\right)=\left(x-5\right)\left(x+3\right)
Variable x cannot be equal to any of the values 2,5 since division by zero is not defined. Multiply both sides of the equation by \left(x-5\right)\left(x-2\right), the least common multiple of x-5,x-2.
x^{2}+2x-8=\left(x-5\right)\left(x+3\right)
Use the distributive property to multiply x-2 by x+4 and combine like terms.
x^{2}+2x-8=x^{2}-2x-15
Use the distributive property to multiply x-5 by x+3 and combine like terms.
x^{2}+2x-8-x^{2}=-2x-15
Subtract x^{2} from both sides.
2x-8=-2x-15
Combine x^{2} and -x^{2} to get 0.
2x-8+2x=-15
Add 2x to both sides.
4x-8=-15
Combine 2x and 2x to get 4x.
4x=-15+8
Add 8 to both sides.
4x=-7
Add -15 and 8 to get -7.
x=\frac{-7}{4}
Divide both sides by 4.
x=-\frac{7}{4}
Fraction \frac{-7}{4} can be rewritten as -\frac{7}{4} by extracting the negative sign.