7Bx%7D%5E%7B2%7D%20-%201%29" id="TexFormula1" title="( {x}^{3} + {x}^{2} + x + 2) \div ({x}^{2} - 1)" alt="( {x}^{3} + {x}^{2} + x + 2) \div ({x}^{2} - 1)" align="absmiddle" class="latex-formula">
1 answer:

We use long division to divide
There is no x term in x^2 -1 so we put 0x
x + 1
----------------------------
x^2+0x-1 x^3+ x^2 + x+ 2
x^3+0x^2-x
-----------------------------(subtract the bottom from top)
x^2 +2x + 2
x^2 +0x - 1
--------------------------------(subtract the bottom from top)
2x + 3
-----------------------------------------
Quotient : x+1
Remainder : 2x+3
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