Evaluate
5x^{4}-3x^{3}+4x^{2}+12x+4
Expand
5x^{4}-3x^{3}+4x^{2}+12x+4
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8x^{4}-3x^{3}+4x+4-3x^{4}+4x^{2}+8x
To find the opposite of 3x^{4}-4x^{2}-8x, find the opposite of each term.
5x^{4}-3x^{3}+4x+4+4x^{2}+8x
Combine 8x^{4} and -3x^{4} to get 5x^{4}.
5x^{4}-3x^{3}+12x+4+4x^{2}
Combine 4x and 8x to get 12x.
8x^{4}-3x^{3}+4x+4-3x^{4}+4x^{2}+8x
To find the opposite of 3x^{4}-4x^{2}-8x, find the opposite of each term.
5x^{4}-3x^{3}+4x+4+4x^{2}+8x
Combine 8x^{4} and -3x^{4} to get 5x^{4}.
5x^{4}-3x^{3}+12x+4+4x^{2}
Combine 4x and 8x to get 12x.
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