Enrhifo
\left(x-1\right)\left(x+\left(-1-4i\right)\right)\left(x+\left(-1+4i\right)\right)
Ehangu
x^{3}-3x^{2}+19x-17
Cwis
Complex Number
5 problemau tebyg i:
\left( x-1 \right) \left( x-1+4i \right) \left( x-1-4i \right)
Rhannu
Copïo i clipfwrdd
\left(x^{2}-x+4ix-x+1-4i\right)\left(x-1-4i\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x-1 gan bob x-1+4i.
\left(x^{2}+\left(-1+4i\right)x-x+1-4i\right)\left(x-1-4i\right)
Cyfuno -x a 4ix i gael \left(-1+4i\right)x.
\left(x^{2}+\left(-2+4i\right)x+1-4i\right)\left(x-1-4i\right)
Cyfuno \left(-1+4i\right)x a -x i gael \left(-2+4i\right)x.
x^{3}-x^{2}-4ix^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-1-4i-4ix+4i-16
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x^{2}+\left(-2+4i\right)x+1-4i gan bob x-1-4i.
x^{3}-x^{2}-4ix^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-1-16+\left(-4+4\right)i
Cyfunwch y rhannau real a dychmygus.
x^{3}-x^{2}-4ix^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-17
Gwnewch y gwaith adio.
x^{3}+\left(-1-4i\right)x^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-17
Cyfuno -x^{2} a -4ix^{2} i gael \left(-1-4i\right)x^{2}.
x^{3}-3x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-17
Cyfuno \left(-1-4i\right)x^{2} a \left(-2+4i\right)x^{2} i gael -3x^{2}.
x^{3}-3x^{2}+\left(18+4i\right)x+x-4ix-17
Cyfuno \left(2-4i\right)x a \left(16+8i\right)x i gael \left(18+4i\right)x.
x^{3}-3x^{2}+\left(19+4i\right)x-4ix-17
Cyfuno \left(18+4i\right)x a x i gael \left(19+4i\right)x.
x^{3}-3x^{2}+19x-17
Cyfuno \left(19+4i\right)x a -4ix i gael 19x.
\left(x^{2}-x+4ix-x+1-4i\right)\left(x-1-4i\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x-1 gan bob x-1+4i.
\left(x^{2}+\left(-1+4i\right)x-x+1-4i\right)\left(x-1-4i\right)
Cyfuno -x a 4ix i gael \left(-1+4i\right)x.
\left(x^{2}+\left(-2+4i\right)x+1-4i\right)\left(x-1-4i\right)
Cyfuno \left(-1+4i\right)x a -x i gael \left(-2+4i\right)x.
x^{3}-x^{2}-4ix^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-1-4i-4ix+4i-16
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x^{2}+\left(-2+4i\right)x+1-4i gan bob x-1-4i.
x^{3}-x^{2}-4ix^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-1-16+\left(-4+4\right)i
Cyfunwch y rhannau real a dychmygus.
x^{3}-x^{2}-4ix^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-17
Gwnewch y gwaith adio.
x^{3}+\left(-1-4i\right)x^{2}+\left(-2+4i\right)x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-17
Cyfuno -x^{2} a -4ix^{2} i gael \left(-1-4i\right)x^{2}.
x^{3}-3x^{2}+\left(2-4i\right)x+\left(16+8i\right)x+x-4ix-17
Cyfuno \left(-1-4i\right)x^{2} a \left(-2+4i\right)x^{2} i gael -3x^{2}.
x^{3}-3x^{2}+\left(18+4i\right)x+x-4ix-17
Cyfuno \left(2-4i\right)x a \left(16+8i\right)x i gael \left(18+4i\right)x.
x^{3}-3x^{2}+\left(19+4i\right)x-4ix-17
Cyfuno \left(18+4i\right)x a x i gael \left(19+4i\right)x.
x^{3}-3x^{2}+19x-17
Cyfuno \left(19+4i\right)x a -4ix i gael 19x.
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