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9x+9+3\left(2x-3\right)-15x
Use the distributive property to multiply 9 by x+1.
9x+9+6x-9-15x
Use the distributive property to multiply 3 by 2x-3.
15x+9-9-15x
Combine 9x and 6x to get 15x.
15x-15x
Subtract 9 from 9 to get 0.
0
Combine 15x and -15x to get 0.
3\left(3\left(x+1\right)+2x-3-5x\right)
Factor out 3.
0
Simplify.
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Limits
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