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11x^{2}-56x+104
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11x^{2}-56x+104
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4x^{3}-5x^{2}-57x+108-\left(2x+1\right)\left(2x^{2}-9x+4\right)
Use the distributive property to multiply 4x-9 by x^{2}+x-12 and combine like terms.
4x^{3}-5x^{2}-57x+108-\left(4x^{3}-16x^{2}-x+4\right)
Use the distributive property to multiply 2x+1 by 2x^{2}-9x+4 and combine like terms.
4x^{3}-5x^{2}-57x+108-4x^{3}+16x^{2}+x-4
To find the opposite of 4x^{3}-16x^{2}-x+4, find the opposite of each term.
-5x^{2}-57x+108+16x^{2}+x-4
Combine 4x^{3} and -4x^{3} to get 0.
11x^{2}-57x+108+x-4
Combine -5x^{2} and 16x^{2} to get 11x^{2}.
11x^{2}-56x+108-4
Combine -57x and x to get -56x.
11x^{2}-56x+104
Subtract 4 from 108 to get 104.
4x^{3}-5x^{2}-57x+108-\left(2x+1\right)\left(2x^{2}-9x+4\right)
Use the distributive property to multiply 4x-9 by x^{2}+x-12 and combine like terms.
4x^{3}-5x^{2}-57x+108-\left(4x^{3}-16x^{2}-x+4\right)
Use the distributive property to multiply 2x+1 by 2x^{2}-9x+4 and combine like terms.
4x^{3}-5x^{2}-57x+108-4x^{3}+16x^{2}+x-4
To find the opposite of 4x^{3}-16x^{2}-x+4, find the opposite of each term.
-5x^{2}-57x+108+16x^{2}+x-4
Combine 4x^{3} and -4x^{3} to get 0.
11x^{2}-57x+108+x-4
Combine -5x^{2} and 16x^{2} to get 11x^{2}.
11x^{2}-56x+108-4
Combine -57x and x to get -56x.
11x^{2}-56x+104
Subtract 4 from 108 to get 104.
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Limits
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