\left( { x }^{ 2 } +x-1 \right) \left( 2 { x }^{ 3 } -5x+8 \right) --(18x+5
Enrhifo
\left(x^{2}+x-1\right)\left(2x^{3}-5x+8\right)+18x+5
Ehangu
2x^{5}+2x^{4}-7x^{3}+3x^{2}+31x-3
Graff
Cwis
5 problemau tebyg i:
\left( { x }^{ 2 } +x-1 \right) \left( 2 { x }^{ 3 } -5x+8 \right) --(18x+5
Rhannu
Copïo i clipfwrdd
2x^{5}-7x^{3}+3x^{2}+2x^{4}+13x-8-\left(-\left(18x+5\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi x^{2}+x-1 â 2x^{3}-5x+8 a chyfuno termau tebyg.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+13x-8-\left(-18x-5\right)
I ddod o hyd i wrthwyneb 18x+5, dewch o hyd i wrthwyneb pob term.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+13x-8+18x+5
I ddod o hyd i wrthwyneb -18x-5, dewch o hyd i wrthwyneb pob term.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+31x-8+5
Cyfuno 13x a 18x i gael 31x.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+31x-3
Adio -8 a 5 i gael -3.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+13x-8-\left(-\left(18x+5\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi x^{2}+x-1 â 2x^{3}-5x+8 a chyfuno termau tebyg.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+13x-8-\left(-18x-5\right)
I ddod o hyd i wrthwyneb 18x+5, dewch o hyd i wrthwyneb pob term.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+13x-8+18x+5
I ddod o hyd i wrthwyneb -18x-5, dewch o hyd i wrthwyneb pob term.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+31x-8+5
Cyfuno 13x a 18x i gael 31x.
2x^{5}-7x^{3}+3x^{2}+2x^{4}+31x-3
Adio -8 a 5 i gael -3.
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