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30x-12x^{2}-12=\left(3x-5\right)\left(1-4x\right)
Use the distributive property to multiply 2x-4 by 3-6x and combine like terms.
30x-12x^{2}-12=23x-12x^{2}-5
Use the distributive property to multiply 3x-5 by 1-4x and combine like terms.
30x-12x^{2}-12-23x=-12x^{2}-5
Subtract 23x from both sides.
7x-12x^{2}-12=-12x^{2}-5
Combine 30x and -23x to get 7x.
7x-12x^{2}-12+12x^{2}=-5
Add 12x^{2} to both sides.
7x-12=-5
Combine -12x^{2} and 12x^{2} to get 0.
7x=-5+12
Add 12 to both sides.
7x=7
Add -5 and 12 to get 7.
x=\frac{7}{7}
Divide both sides by 7.
x=1
Divide 7 by 7 to get 1.