Ffactor
\left(20b-17\right)\left(20b+17\right)
Enrhifo
400b^{2}-289
Rhannu
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\left(20b-17\right)\left(20b+17\right)
Ailysgrifennwch 400b^{2}-289 fel \left(20b\right)^{2}-17^{2}. Gellir ffactorio’r gwahaniaeth rhwng sgwariau gan ddefnyddio’r rheol: p^{2}-q^{2}=\left(p-q\right)\left(p+q\right).
Enghreifftiau
Hafaliad cwadratig
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Hafaliad llinol
y = 3x + 4
Rhifyddeg
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Matrics
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Terfynau
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