It is not correct because if we consider -2, the answer to the equation is not correct and you only have to consider +2. (If we consider -2, the result is -6)
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It is not correct because if we consider -2, the answer to the equation is not correct and you only have to consider +2. (If we consider -2, the result is -6)
thanks
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Im Kopf = 2
Geht tausend mal einfacher😂
nice job, thanks
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x=−1−2i or x=−1+2i
Please do not forget the 'real' solution x = 2.
ok
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ok
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It can be made out in the Head, its 2
great job, thanks
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Ans. x=2. (2×2×2+2=8+2=10
ok
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x.x.x+x=10; solution; x³+x=10; x³+x-10=0; x³+x-8-2=0; x³-8+x-2=0; x³-2³+x-2=0; (x-2)(x²+2x+4)+x-2=0; (x-2)(x²+2x+4+1)=0; x-2=0; x=2;x²+2x+5=0; S={2}.
good
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2. Lol
nice job
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2
ok
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