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\left(2x-5\right)\left(3x-13\right)\times 3-\left(3x-13\right)\left(3+x\right)\times 2=\left(2x-5\right)\left(3+x\right)\times 6
Variable x cannot be equal to any of the values -3,\frac{5}{2},\frac{13}{3} since division by zero is not defined. Multiply both sides of the equation by 3\left(2x-5\right)\left(3x-13\right)\left(\frac{1}{3}x+1\right), the least common multiple of x+3,2x-5,3x-13.
\left(6x^{2}-41x+65\right)\times 3-\left(3x-13\right)\left(3+x\right)\times 2=\left(2x-5\right)\left(3+x\right)\times 6
Use the distributive property to multiply 2x-5 by 3x-13 and combine like terms.
18x^{2}-123x+195-\left(3x-13\right)\left(3+x\right)\times 2=\left(2x-5\right)\left(3+x\right)\times 6
Use the distributive property to multiply 6x^{2}-41x+65 by 3.
18x^{2}-123x+195-\left(-4x+3x^{2}-39\right)\times 2=\left(2x-5\right)\left(3+x\right)\times 6
Use the distributive property to multiply 3x-13 by 3+x and combine like terms.
18x^{2}-123x+195-\left(-8x+6x^{2}-78\right)=\left(2x-5\right)\left(3+x\right)\times 6
Use the distributive property to multiply -4x+3x^{2}-39 by 2.
18x^{2}-123x+195+8x-6x^{2}+78=\left(2x-5\right)\left(3+x\right)\times 6
To find the opposite of -8x+6x^{2}-78, find the opposite of each term.
18x^{2}-115x+195-6x^{2}+78=\left(2x-5\right)\left(3+x\right)\times 6
Combine -123x and 8x to get -115x.
12x^{2}-115x+195+78=\left(2x-5\right)\left(3+x\right)\times 6
Combine 18x^{2} and -6x^{2} to get 12x^{2}.
12x^{2}-115x+273=\left(2x-5\right)\left(3+x\right)\times 6
Add 195 and 78 to get 273.
12x^{2}-115x+273=\left(x+2x^{2}-15\right)\times 6
Use the distributive property to multiply 2x-5 by 3+x and combine like terms.
12x^{2}-115x+273=6x+12x^{2}-90
Use the distributive property to multiply x+2x^{2}-15 by 6.
12x^{2}-115x+273-6x=12x^{2}-90
Subtract 6x from both sides.
12x^{2}-121x+273=12x^{2}-90
Combine -115x and -6x to get -121x.
12x^{2}-121x+273-12x^{2}=-90
Subtract 12x^{2} from both sides.
-121x+273=-90
Combine 12x^{2} and -12x^{2} to get 0.
-121x=-90-273
Subtract 273 from both sides.
-121x=-363
Subtract 273 from -90 to get -363.
x=\frac{-363}{-121}
Divide both sides by -121.
x=3
Divide -363 by -121 to get 3.