Question

Please solve I HAVE TEST TODAY

Answer 1

Answer:

$(x - 1)(x - 10)(x - 12)$

is the factorized form of :

x ³ - 23x² + 142x -120

Step-by-step explanation:

x³ - 23x² + 142x - 120

= x³ - x² - 22x² + 22x + 120x - 120

= x²(x - 1) - 22x(x - 1) + 120(x - 1)

=(x - 1)(x² - 22x + 120)

= (x - 1)(x² - 10x - 12x + 120)

= (x - 1)[x(x - 10) - 12(x -10)]

= (x - 1)(x -10)(x -12)