Enrhifo
-10x^{3}-57x^{2}-70x-24
Ehangu
-10x^{3}-57x^{2}-70x-24
Graff
Rhannu
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8x^{3}+12x^{2}+10x+1-\left(9x^{2}+30x+25\right)\left(2x+1\right)
Lluosi 3 a 4 i gael 12.
8x^{3}+12x^{2}+10x+1-\left(18x^{3}+69x^{2}+80x+25\right)
Defnyddio’r briodwedd ddosbarthu i luosi 9x^{2}+30x+25 â 2x+1 a chyfuno termau tebyg.
8x^{3}+12x^{2}+10x+1-18x^{3}-69x^{2}-80x-25
I ddod o hyd i wrthwyneb 18x^{3}+69x^{2}+80x+25, dewch o hyd i wrthwyneb pob term.
-10x^{3}+12x^{2}+10x+1-69x^{2}-80x-25
Cyfuno 8x^{3} a -18x^{3} i gael -10x^{3}.
-10x^{3}-57x^{2}+10x+1-80x-25
Cyfuno 12x^{2} a -69x^{2} i gael -57x^{2}.
-10x^{3}-57x^{2}-70x+1-25
Cyfuno 10x a -80x i gael -70x.
-10x^{3}-57x^{2}-70x-24
Tynnu 25 o 1 i gael -24.
8x^{3}+12x^{2}+10x+1-\left(9x^{2}+30x+25\right)\left(2x+1\right)
Lluosi 3 a 4 i gael 12.
8x^{3}+12x^{2}+10x+1-\left(18x^{3}+69x^{2}+80x+25\right)
Defnyddio’r briodwedd ddosbarthu i luosi 9x^{2}+30x+25 â 2x+1 a chyfuno termau tebyg.
8x^{3}+12x^{2}+10x+1-18x^{3}-69x^{2}-80x-25
I ddod o hyd i wrthwyneb 18x^{3}+69x^{2}+80x+25, dewch o hyd i wrthwyneb pob term.
-10x^{3}+12x^{2}+10x+1-69x^{2}-80x-25
Cyfuno 8x^{3} a -18x^{3} i gael -10x^{3}.
-10x^{3}-57x^{2}+10x+1-80x-25
Cyfuno 12x^{2} a -69x^{2} i gael -57x^{2}.
-10x^{3}-57x^{2}-70x+1-25
Cyfuno 10x a -80x i gael -70x.
-10x^{3}-57x^{2}-70x-24
Tynnu 25 o 1 i gael -24.
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