190/5 simplified
$x^{5}$+ $4x^{4}$ + $6x^{3}$ + $4x^{2}$+x=0
(2a+3)(4a+5)
Expand and simplify (x-5)(x+6)
$\frac{\ x-2}{\ 6}$- $\frac{\ x-4}{\ 8}$ =9
2x - y - z = 2; x + y - 2z = 1; x - 2y + z = 1
(x-5)(x+6)
x^2- $\sqrt{2}$ x+ $\sqrt{6}$ =0
2.5 + (-3.5)
