`#3107.101107`
2.
\(A=\left(2x-3\right)\left(4+6x\right)-\left(6-3x\right)\left(4x-2\right)\)
`= (2x - 3)(2 + 3x)*2 - 3(2 - x)(2x - 1)2`
`= (6x^2 - 5x - 6)*2 - 6(-2x^2 + 5x - 2)`
`= 12x^2 - 10x - 12 + 12x^2 - 30x + 12`
`= 24x^2 - 40x `
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