Enrhifo
x^{3}-27x^{2}+199x-5
Ehangu
x^{3}-27x^{2}+199x-5
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Rhannu
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\left(x-13\right)\left(\left(x-7\right)^{2}-32\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Lluosi x-7 a x-7 i gael \left(x-7\right)^{2}.
\left(x-13\right)\left(x^{2}-14x+49-32\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-7\right)^{2}.
\left(x-13\right)\left(x^{2}-14x+17\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Tynnu 32 o 49 i gael 17.
x^{3}-14x^{2}+17x-13x^{2}+182x-221+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x-13 gan bob x^{2}-14x+17.
x^{3}-27x^{2}+17x+182x-221+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfuno -14x^{2} a -13x^{2} i gael -27x^{2}.
x^{3}-27x^{2}+199x-221+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfuno 17x a 182x i gael 199x.
x^{3}-27x^{2}+199x-221+5\left(-2x+14+40\right)+2\left(8+5\left(x-7\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi -2 â x-7.
x^{3}-27x^{2}+199x-221+5\left(-2x+54\right)+2\left(8+5\left(x-7\right)\right)
Adio 14 a 40 i gael 54.
x^{3}-27x^{2}+199x-221-10x+270+2\left(8+5\left(x-7\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â -2x+54.
x^{3}-27x^{2}+189x-221+270+2\left(8+5\left(x-7\right)\right)
Cyfuno 199x a -10x i gael 189x.
x^{3}-27x^{2}+189x+49+2\left(8+5\left(x-7\right)\right)
Adio -221 a 270 i gael 49.
x^{3}-27x^{2}+189x+49+2\left(8+5x-35\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x-7.
x^{3}-27x^{2}+189x+49+2\left(-27+5x\right)
Tynnu 35 o 8 i gael -27.
x^{3}-27x^{2}+189x+49-54+10x
Defnyddio’r briodwedd ddosbarthu i luosi 2 â -27+5x.
x^{3}-27x^{2}+189x-5+10x
Tynnu 54 o 49 i gael -5.
x^{3}-27x^{2}+199x-5
Cyfuno 189x a 10x i gael 199x.
\left(x-13\right)\left(\left(x-7\right)^{2}-32\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Lluosi x-7 a x-7 i gael \left(x-7\right)^{2}.
\left(x-13\right)\left(x^{2}-14x+49-32\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Defnyddio'r theorem binomaidd \left(a-b\right)^{2}=a^{2}-2ab+b^{2} i ehangu'r \left(x-7\right)^{2}.
\left(x-13\right)\left(x^{2}-14x+17\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Tynnu 32 o 49 i gael 17.
x^{3}-14x^{2}+17x-13x^{2}+182x-221+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfrifwch y briodoledd ddosrannol drwy luosi pob x-13 gan bob x^{2}-14x+17.
x^{3}-27x^{2}+17x+182x-221+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfuno -14x^{2} a -13x^{2} i gael -27x^{2}.
x^{3}-27x^{2}+199x-221+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfuno 17x a 182x i gael 199x.
x^{3}-27x^{2}+199x-221+5\left(-2x+14+40\right)+2\left(8+5\left(x-7\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi -2 â x-7.
x^{3}-27x^{2}+199x-221+5\left(-2x+54\right)+2\left(8+5\left(x-7\right)\right)
Adio 14 a 40 i gael 54.
x^{3}-27x^{2}+199x-221-10x+270+2\left(8+5\left(x-7\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â -2x+54.
x^{3}-27x^{2}+189x-221+270+2\left(8+5\left(x-7\right)\right)
Cyfuno 199x a -10x i gael 189x.
x^{3}-27x^{2}+189x+49+2\left(8+5\left(x-7\right)\right)
Adio -221 a 270 i gael 49.
x^{3}-27x^{2}+189x+49+2\left(8+5x-35\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x-7.
x^{3}-27x^{2}+189x+49+2\left(-27+5x\right)
Tynnu 35 o 8 i gael -27.
x^{3}-27x^{2}+189x+49-54+10x
Defnyddio’r briodwedd ddosbarthu i luosi 2 â -27+5x.
x^{3}-27x^{2}+189x-5+10x
Tynnu 54 o 49 i gael -5.
x^{3}-27x^{2}+199x-5
Cyfuno 189x a 10x i gael 199x.
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