Question

ليه
Află nr necunoscut

1x [(x-64)x2-72] + 12 = 12 VĂ DAU 100 DE PUNCTE ​

Answer 1

Răspuns:

1x [(x-64)x2-72] + 12 = 12

[(x-64)x2-72]+12=12:1

[(x-64)x2-72]+12=12

[(x-64)x2-72]=12-12

(x-64)x2-72=0

(x-64)X2=0+72

(x-64)X2=72

(x-64)=72:2

x-64=36

x=36+64

x=100