Question

$|2x - 5| = x + 4 \\ | - 2x + 1| = x + 2 \\ |x {}^{2} | = 5x$
Me ajudem pfv​

Answer 1

1) 2x-5=x+4
2x-x=4+5
x=9
2)-2x-x=2-1
-3x=1
x=1/-3
3)x^2-5x=0
Delta=(5)^2-4(1).(0)
Delta=25
X=-(-5)+_25/2
X1=30/2=15
x2=-20/2=-10