factorise x power 4 + 2 x cube + 2 X square + X + 1
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x⁴+2x³+2x²+x+1
=>x⁴+(2x²+1)+x(2x²+1)
=>x⁴+(2x²+1)(1+x)
=>x⁴+(2x²+1)(x+1)
@:-)
x⁴+2x³+2x²+x+1
=>x⁴+(2x²+1)+x(2x²+1)
=>x⁴+(2x²+1)(1+x)
=>x⁴+(2x²+1)(x+1)
@:-)
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