Enrhifo
\left(2x^{3}+5x^{2}-x+2\right)\left(x^{7}-3x^{5}+4x^{2}-x+1\right)
Ehangu
2x^{10}+5x^{9}-7x^{8}-13x^{7}+3x^{6}+2x^{5}+18x^{4}-7x^{3}+14x^{2}-3x+2
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Rhannu
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2x^{10}-7x^{8}+2x^{5}+18x^{4}-7x^{3}+5x^{9}-13x^{7}+14x^{2}+3x^{6}-3x+2
Defnyddio’r briodwedd ddosbarthu i luosi 2x^{3}+5x^{2}-x+2 â x^{7}-3x^{5}+4x^{2}-x+1 a chyfuno termau tebyg.
2x^{10}-7x^{8}+2x^{5}+18x^{4}-7x^{3}+5x^{9}-13x^{7}+14x^{2}+3x^{6}-3x+2
Defnyddio’r briodwedd ddosbarthu i luosi 2x^{3}+5x^{2}-x+2 â x^{7}-3x^{5}+4x^{2}-x+1 a chyfuno termau tebyg.
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