Question

qual é o valor de x na equaçao modular |x|²-10|x|+24=0?

Answer 1

x≥0 
x²-10x+24=0
x'=[10+√(100-96)]/2=6
x'=[10-√(100-96)]/2=4

x<0
x²+10x+24
x'=[-10+√(100-96)]/2=-4
x''=[-10-√(100-96)]/2=-6