Evalwa
-16x
Espandi
-16x
Graff
Sehem
Ikkupjat fuq il-klibbord
x^{2}-8x+16-\left(x+4\right)^{2}
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-4\right)^{2}.
x^{2}-8x+16-\left(x^{2}+8x+16\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+4\right)^{2}.
x^{2}-8x+16-x^{2}-8x-16
Biex issib l-oppost ta' x^{2}+8x+16, sib l-oppost ta' kull terminu.
-8x+16-8x-16
Ikkombina x^{2} u -x^{2} biex tikseb 0.
-16x+16-16
Ikkombina -8x u -8x biex tikseb -16x.
-16x
Naqqas 16 minn 16 biex tikseb 0.
x^{2}-8x+16-\left(x+4\right)^{2}
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-4\right)^{2}.
x^{2}-8x+16-\left(x^{2}+8x+16\right)
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(x+4\right)^{2}.
x^{2}-8x+16-x^{2}-8x-16
Biex issib l-oppost ta' x^{2}+8x+16, sib l-oppost ta' kull terminu.
-8x+16-8x-16
Ikkombina x^{2} u -x^{2} biex tikseb 0.
-16x+16-16
Ikkombina -8x u -8x biex tikseb -16x.
-16x
Naqqas 16 minn 16 biex tikseb 0.
Eżempji
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometrija
4 \sin \theta \cos \theta = 2 \sin \theta
Ekwazzjoni lineari
y = 3x + 4
Aritmetika
699 * 533
Matriċi
\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]
Ekwazzjoni simultanja
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differenzazzjoni
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integrazzjoni
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limiti
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}