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\left(3x+5\right)\left(4x+7\right)=\left(3x-3\right)\left(4x-2\right)
Variable x cannot be equal to any of the values -\frac{5}{3},1 since division by zero is not defined. Multiply both sides of the equation by 3\left(x-1\right)\left(3x+5\right), the least common multiple of 3x-3,3x+5.
12x^{2}+41x+35=\left(3x-3\right)\left(4x-2\right)
Use the distributive property to multiply 3x+5 by 4x+7 and combine like terms.
12x^{2}+41x+35=12x^{2}-18x+6
Use the distributive property to multiply 3x-3 by 4x-2 and combine like terms.
12x^{2}+41x+35-12x^{2}=-18x+6
Subtract 12x^{2} from both sides.
41x+35=-18x+6
Combine 12x^{2} and -12x^{2} to get 0.
41x+35+18x=6
Add 18x to both sides.
59x+35=6
Combine 41x and 18x to get 59x.
59x=6-35
Subtract 35 from both sides.
59x=-29
Subtract 35 from 6 to get -29.
x=\frac{-29}{59}
Divide both sides by 59.
x=-\frac{29}{59}
Fraction \frac{-29}{59} can be rewritten as -\frac{29}{59} by extracting the negative sign.