Neidio i'r prif gynnwys
Enrhifo
Tick mark Image
Ehangu
Tick mark Image
Graff

Problemau tebyg o chwiliad gwe

Rhannu

\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+81\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Adio 49 a 32 i gael 81.
x^{3}-14x^{2}+81x-13x^{2}+182x-1053+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+81.
x^{3}-27x^{2}+81x+182x-1053+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}+263x-1053+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfuno 81x a 182x i gael 263x.
x^{3}-27x^{2}+263x-1053+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}+263x-1053+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}+263x-1053-10x+270+2\left(8+5\left(x-7\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â -2x+54.
x^{3}-27x^{2}+253x-1053+270+2\left(8+5\left(x-7\right)\right)
Cyfuno 263x a -10x i gael 253x.
x^{3}-27x^{2}+253x-783+2\left(8+5\left(x-7\right)\right)
Adio -1053 a 270 i gael -783.
x^{3}-27x^{2}+253x-783+2\left(8+5x-35\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x-7.
x^{3}-27x^{2}+253x-783+2\left(-27+5x\right)
Tynnu 35 o 8 i gael -27.
x^{3}-27x^{2}+253x-783-54+10x
Defnyddio’r briodwedd ddosbarthu i luosi 2 â -27+5x.
x^{3}-27x^{2}+253x-837+10x
Tynnu 54 o -783 i gael -837.
x^{3}-27x^{2}+263x-837
Cyfuno 253x a 10x i gael 263x.
\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+81\right)+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Adio 49 a 32 i gael 81.
x^{3}-14x^{2}+81x-13x^{2}+182x-1053+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+81.
x^{3}-27x^{2}+81x+182x-1053+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}+263x-1053+5\left(-2\left(x-7\right)+40\right)+2\left(8+5\left(x-7\right)\right)
Cyfuno 81x a 182x i gael 263x.
x^{3}-27x^{2}+263x-1053+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}+263x-1053+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}+263x-1053-10x+270+2\left(8+5\left(x-7\right)\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â -2x+54.
x^{3}-27x^{2}+253x-1053+270+2\left(8+5\left(x-7\right)\right)
Cyfuno 263x a -10x i gael 253x.
x^{3}-27x^{2}+253x-783+2\left(8+5\left(x-7\right)\right)
Adio -1053 a 270 i gael -783.
x^{3}-27x^{2}+253x-783+2\left(8+5x-35\right)
Defnyddio’r briodwedd ddosbarthu i luosi 5 â x-7.
x^{3}-27x^{2}+253x-783+2\left(-27+5x\right)
Tynnu 35 o 8 i gael -27.
x^{3}-27x^{2}+253x-783-54+10x
Defnyddio’r briodwedd ddosbarthu i luosi 2 â -27+5x.
x^{3}-27x^{2}+253x-837+10x
Tynnu 54 o -783 i gael -837.
x^{3}-27x^{2}+263x-837
Cyfuno 253x a 10x i gael 263x.