Question

x(elevado a 2)-x+2x=10

Answer 1

ola boa noite tudo bem : )

x^2- x + 2x=10
x^2+x=10
x^+x-10=0
aplicando baskara !

x= - 1 +/ - \/ -1^2-4+1(-10) /2
x= -1 + / -\/ 1+40/2
x1= -1 - \/ 41 /2
x2= - 1 + \/ 41 /2