Question

x⁴-3x³+2x² what is the value of x

Answer 1

Let x^4 - 3x³ + 2x² = 0
Take x² as common
x² (x² - 3x + 2) = 0
x²(x² - 3x + 2) = 0
x² (x² - 2x - x + 2) = 0
x² (x(x-2) - 1 (x-2)) = 0
x² (x - 2) (x - 1) = 0
(x - 2) (x - 1) = 0
x = 2 or x = 1