Issolvi 5-left(x-4right)^2

$$5- { \left(x-4 \right) }^{ 2 }$$

Evalwa

$$-\left(x-4\right)^{2}+5$$

Passi tas-Soluzzjonijiet

Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-4\right)^{2}.

$$5-\left(x^{2}-8x+16\right)$$

Biex issib l-oppost ta' x^{2}-8x+16, sib l-oppost ta' kull terminu.

$$5-x^{2}+8x-16$$

Naqqas 16 minn 5 biex tikseb -11.

$$-11-x^{2}+8x$$

Espandi

$$-x^{2}+8x-11$$

Passi tas-Soluzzjonijiet

Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(x-4\right)^{2}.

$$5-\left(x^{2}-8x+16\right)$$

Biex issib l-oppost ta' x^{2}-8x+16, sib l-oppost ta' kull terminu.

$$5-x^{2}+8x-16$$

Naqqas 16 minn 5 biex tikseb -11.

$$-11-x^{2}+8x$$