Suma:
4x³+x-5+2x³+x³+2x+4
7x³+3x-1
Resta:
4x³+x-5-(2x³+x³+2x+4)
4x³+x-5-2x³-x³-2x-4
x³-x-9
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Suma:
4x³+x-5+2x³+x³+2x+4
7x³+3x-1
Resta:
4x³+x-5-(2x³+x³+2x+4)
4x³+x-5-2x³-x³-2x-4
x³-x-9