Enrhifo
5x^{2}+13x+3
Ehangu
5x^{2}+13x+3
Graff
Rhannu
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5\left(x^{2}+2x+1\right)+3\left(x+1\right)-5
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.
5x^{2}+10x+5+3\left(x+1\right)-5
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x^{2}+2x+1.
5x^{2}+10x+5+3x+3-5
Defnyddio’r briodwedd ddosbarthu i luosi 3 â x+1.
5x^{2}+13x+5+3-5
Cyfuno 10x a 3x i gael 13x.
5x^{2}+13x+8-5
Adio 5 a 3 i gael 8.
5x^{2}+13x+3
Tynnu 5 o 8 i gael 3.
5\left(x^{2}+2x+1\right)+3\left(x+1\right)-5
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(x+1\right)^{2}.
5x^{2}+10x+5+3\left(x+1\right)-5
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x^{2}+2x+1.
5x^{2}+10x+5+3x+3-5
Defnyddio’r briodwedd ddosbarthu i luosi 3 â x+1.
5x^{2}+13x+5+3-5
Cyfuno 10x a 3x i gael 13x.
5x^{2}+13x+8-5
Adio 5 a 3 i gael 8.
5x^{2}+13x+3
Tynnu 5 o 8 i gael 3.
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