Question

(x² -5x- 24) : (x + 3) ​

Answer 1

Resposta:

P(x)=ax²+bx+c=a*(x-x')*(x-x'')  ....x' e x'' são as raízes e a≠0

x²-5x-24=0

x'=[5+√(25+96)]/2=(5+11)/2=8

x''=[5-√(25+96)]/2=(5-11)/2=-3

x²-5x-24=(x-8)*(x+3)

(x² -5x- 24) : (x + 3) ​

(x-8)*(x+3) : (x + 3) ​

= x-8  é a resposta